Skip to content
Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • Belville
    • Building Set with People
    • Castle
    • Duplo
    • Fabuland
    • Harry Potter
    • Holiday and Event
    • LEGOLAND
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Technic
    • Town
    • Universal Building Set
    • Western
    • More Sets
    • Misc
  • USEFUL LINKS
    • Submit Instructions!
    • New Instructions
    • New Official Sets
    • New Alternate Builds
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
    • How BOTBB was Built
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Airport

Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6673 – Back D

April 20, 2025April 21, 2025 Master Builder 1786 Views

From: 6673: Solo TrainerName: Boat Trainer Instructions: View PDF

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6673 – Back C

April 20, 2025April 21, 2025 Master Builder 2290 Views

From: 6673: Solo TrainerName: Little Plane Instructions: View PDF

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6673 – Back B

April 20, 2025April 21, 2025 Master Builder 1964 Views

From: 6673: Solo TrainerName: Repair Table Instructions: View PDF

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6673 – Back A

April 20, 2025April 21, 2025 Master Builder 2043 Views

From: 6673: Solo TrainerName: Universal Trainer Instructions: View PDF

Read more
Airport Alternate Builds Classic Town Town Town Alternate Builds Very Small Builds 

1630 – Back C

April 8, 2025April 8, 2025 Master Builder 2674 Views

From: 1630: HelicopterName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Town Town Alternate Builds Very Small Builds 

1630 – Back B

April 8, 2025April 8, 2025 Master Builder 2672 Views

From: 1630: HelicopterName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Town Town Alternate Builds Very Small Builds 

1630 – Back A

April 8, 2025April 8, 2025 Master Builder 2642 Views

From: 1630: HelicopterName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Official Sets Town Town Sets Very Small Builds 

1630: Helicopter

April 8, 2025April 8, 2025 Master Builder 4602 Views

Year Released: 1990BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

1818 – Back D

April 7, 2025April 7, 2025 Master Builder 2659 Views

From: 1818: Aircraft and Ground Support Equipment and VehicleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

1818 – Back C

April 7, 2025April 7, 2025 Master Builder 2679 Views

From: 1818: Aircraft and Ground Support Equipment and VehicleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

1818 – Back B

April 7, 2025April 7, 2025 Master Builder 2636 Views

From: 1818: Aircraft and Ground Support Equipment and VehicleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

1818 – Back A

April 7, 2025April 7, 2025 Master Builder 2632 Views

From: 1818: Aircraft and Ground Support Equipment and VehicleName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Medium Builds Official Sets Town Town Sets 

1818: Aircraft and Ground Support Equipment and Vehicle

April 7, 2025April 7, 2025 Master Builder 4552 Views

Year Released: 1996BricklinkInstructions

Read more
Airport Classic Town Official Sets Race Small Builds Super Model Town 

Super Stunt Machine

March 8, 2025March 10, 2025 Master Builder 4472 Views

Year Released: 1990BricklinkInstructions This is a super model set made by combining sets: 1560: Glory Glider1561: Stunt Chopper1562: Wave Jumper1563:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

1682 – Inside B

July 25, 2024July 25, 2024 Master Builder 2623 Views

From: 1682: Space ShuttleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

1682 – Inside A

July 25, 2024July 25, 2024 Master Builder 2563 Views

From: 1682: Space ShuttleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6346 – Back E

December 22, 2023January 1, 2024 Master Builder 2917 Views

From: 6346: Shuttle Launching CrewName: Dominic’s Dream Car Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6346 – Back D

December 22, 2023January 1, 2024 Master Builder 2269 Views

From: 6346: Shuttle Launching CrewName: VIP Ambulance Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6346 – Back C

November 20, 2023November 29, 2023 Master Builder 2167 Views

From: 6346: Shuttle Launching CrewName: And The Winner Is… Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6346 – Back B

November 20, 2023November 29, 2023 Master Builder 2050 Views

From: 6346: Shuttle Launching CrewName: Sail Away Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6346 – Back A

October 5, 2023October 10, 2023 Master Builder 2329 Views

From: 6346: Shuttle Launching CrewName: Petrolhead Sunday Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Bonus/Value Pack Alternate Builds Classic Town Small Builds Town 

1974-2 – Back B

September 7, 2023September 7, 2023 Master Builder 2269 Views

From: 1974-2: Flyercracker USAName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Bonus/Value Pack Alternate Builds Classic Town Small Builds Town 

1974-2 – Back A

September 7, 2023September 7, 2023 Master Builder 2341 Views

From: 1974-2: Flyercracker USAName: TBDSubmitted by: USERInstructions:

Read more
Airport Bonus/Value Pack Sets Classic Town Official Sets Small Builds Town 

1974-2: Flyercracker USA

September 7, 2023September 8, 2023 Master Builder 4644 Views

Year Released: 1989BricklinkInstructions *This set was available in 1974: LEGOLAND Triple Pack. The back of the value pack is shown below.

Read more
Airport Bonus/Value Packs Castle Castle Sets Classic Town Forestmen Futron Sets Futuron Official Sets Small Builds Space Town 

1974: Legoland Triple Pack

September 7, 2023September 7, 2023 Master Builder 4909 Views

Year Released: 1989BricklinkContains Sets: 1974-2: Flyercracker USA, 1974-3: Smuggler’s Hayride, and 1974-4: Star Quest

Read more
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6529 – Back B

April 11, 2023May 17, 2023 Master Builder 2823 Views

From: 6529: Ultra Light IName: Speedboat Instructions: View PDF

Read more
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6529 – Back A

April 11, 2023May 17, 2023 Master Builder 2580 Views

From: 6529: Ultra Light IName: Port Instructions: View PDF

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

1682 – Back A

February 27, 2023July 25, 2024 Master Builder 2601 Views

From: 1682: Space ShuttleName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Large Builds Official Sets Town Town Sets 

1682: Space Shuttle

February 27, 2023July 25, 2024 Master Builder 4543 Views

Year Released: 1990BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6399 – Back D

February 24, 2023March 17, 2024 Master Builder 2308 Views

From: 6399: Airport ShuttleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6399 – Back C

February 24, 2023March 17, 2024 Master Builder 2072 Views

From: 6399: Airport ShuttleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6399 – Back B

February 24, 2023March 17, 2024 Master Builder 2361 Views

From: 6399: Airport ShuttleName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6399 – Back A

February 24, 2023March 17, 2024 Master Builder 2359 Views

From: 6399: Airport ShuttleName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Different Box Versions Extra Large Builds Official Sets Town Town Sets 

6399: Airport Shuttle

February 24, 2023March 17, 2024 Master Builder 5032 Views

Year Released: 1990BricklinkInstructions BOX NOTE – This set has a different layout of alternates on the back of the North

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6341 – Back D

August 31, 2022September 17, 2022 Master Builder 2754 Views

From: 6341: Gas N’ Go FlyerName: Gas and Go Fighter Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6341 – Back C

August 31, 2022September 17, 2022 Master Builder 2633 Views

From: 6341: Gas N’ Go FlyerName: Summer Holidays Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6341 – Back B

August 31, 2022September 17, 2022 Master Builder 2738 Views

From: 6341: Gas N’ Go FlyerName: Frames of Fame Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6341 – Back A

August 31, 2022September 17, 2022 Master Builder 2849 Views

From: 6341: Gas N’ Go FlyerName: Swamp Patrol Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6615 – Back B

August 1, 2022May 17, 2023 Master Builder 2898 Views

From: 6615: Eagle Stunt FlyerName: Crop Duster Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6615 – Back A

July 30, 2022May 17, 2023 Master Builder 2626 Views

From: 6615: Eagle Stunt FlyerName: Land Speed Record Car Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6529 – Back C

July 14, 2022March 14, 2025 Master Builder 2393 Views

From: 6529: Ultra Light IName: “Leg’s Go Sail!” Instructions: View PDF | Download .io File

Read more
Airport Classic Town Official Sets Town Town Sets Very Small Builds 

6529: Ultra Light I

July 14, 2022July 14, 2022 Master Builder 3834 Views

Year Released: 1990BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6440 – Back D

July 8, 2022July 12, 2022 Master Builder 2745 Views

From: 6440: Jetport Fire SquadName: Foam & Rescue Truck Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6440 – Back C

July 8, 2022July 12, 2022 Master Builder 3672 Views

From: 6440: Jetport Fire SquadName: Jetport Super-Hauler Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6392 – Back E

June 28, 2022June 28, 2022 Master Builder 2667 Views

From: 6392: AirportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6392 – Back D

June 28, 2022June 28, 2022 Master Builder 2190 Views

From: 6392: AirportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6392 – Back C

June 28, 2022June 28, 2022 Master Builder 2712 Views

From: 6392: AirportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6392 – Back B

June 28, 2022June 28, 2022 Master Builder 2487 Views

From: 6392: AirportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Extra Large Builds Town Town Alternate Builds 

6392 – Back A

June 28, 2022June 28, 2022 Master Builder 2342 Views

From: 6392: AirportName: TBDSubmitted by: USERInstructions:

Read more
ABCs Airport Classic Town Extra Large Builds Official Sets Town Town Sets 

6392: Airport

June 28, 2022August 16, 2023 Master Builder 5043 Views

Year Released: 1985BricklinkInstructions *Alternate Build Connection: 1987 Town, Castle, and Classic Space with Zack Commercial

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6440 – Back B

June 6, 2022June 6, 2022 Master Builder 2778 Views

From: 6440: Jetport Fire SquadName: Fueled and Ready Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6440 – Back A

June 6, 2022June 6, 2022 Master Builder 2707 Views

From: 6440: Jetport Fire SquadName: Jetport Mobile Crane Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6515 – Back B

May 18, 2022May 23, 2022 Master Builder 2588 Views

From: 6515: Stunt CopterName: Octan Mini-Plane Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6515 – Back C

May 18, 2022May 23, 2022 Master Builder 2146 Views

From: 6515: Stunt CopterName: Recon Mini-Plane Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6515 – Back A

May 18, 2022May 23, 2022 Master Builder 2266 Views

From: 6515: Stunt CopterName: Water is No Problem Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6368 – Back A

May 15, 2022May 19, 2022 Master Builder 2685 Views

From: 6368: Jet AirlinerName: Beriev Water Bomber Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

3439 – Back A

May 11, 2022May 11, 2022 Master Builder 1944 Views

From: 3439: Spy RunnerName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Medium Builds Official Sets Town Town Sets 

3439: Spy Runner

May 11, 2022May 11, 2022 Master Builder 3628 Views

Year Released: 2000BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6368 – Back C

May 3, 2022May 5, 2022 Master Builder 2716 Views

From: 6368: Jet AirlinerName: Sikorsky Instructions: View PDF | Download .io File

Read more
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6687 – Back E

February 9, 2022March 15, 2022 Master Builder 2615 Views

From: 6687: Turbo Prop IName: Twin Engine Cessna Instructions: View PDF | Download .io File

Read more
Airport Classic Town Official Sets Town Town Sets Very Small Builds 

6515: Stunt Copter

February 2, 2022February 2, 2022 Master Builder 3710 Views

Year Released: 1994BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

1687 – Back E

January 25, 2022January 25, 2022 Master Builder 2394 Views

From: 1687: Midnight TransportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

1687 – Back D

January 25, 2022January 25, 2022 Master Builder 2413 Views

From: 1687: Midnight TransportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

1687 – Back C

January 25, 2022January 25, 2022 Master Builder 2250 Views

From: 1687: Midnight TransportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

1687 – Back B

January 25, 2022January 25, 2022 Master Builder 2155 Views

From: 1687: Midnight TransportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

1687 – Back A

January 25, 2022January 25, 2022 Master Builder 2875 Views

From: 1687: Midnight TransportName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Large Builds Official Sets Town Town Sets 

1687: Midnight Transport

January 25, 2022January 25, 2022 Master Builder 4333 Views

Year Released: 1993BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6615 – Back D

January 5, 2022January 5, 2022 Master Builder 2576 Views

From: 6615: Eagle Stunt FlyerName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6615 – Back C

January 5, 2022January 5, 2022 Master Builder 2334 Views

From: 6615: Eagle Stunt FlyerName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Official Sets Small Builds Town Town Sets 

6615: Eagle Stunt Flyer

January 5, 2022January 5, 2022 Master Builder 4063 Views

Year Released: 1996BricklinkInstructions

Read more
Airport Classic Town Medium Builds Official Sets Town Town Sets 

6440: Jetport Fire Squad

December 29, 2021December 29, 2021 Master Builder 3947 Views

Year Released: 1991BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

2532 – Back C

December 28, 2021December 28, 2021 Master Builder 2137 Views

From: 2532: Aircraft and Ground CrewName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

2532 – Back B

December 28, 2021December 28, 2021 Master Builder 2421 Views

From: 2532: Aircraft and Ground CrewName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

2532 – Back A

December 28, 2021December 28, 2021 Master Builder 2491 Views

From: 2532: Aircraft and Ground CrewName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Medium Builds Official Sets Town Town Sets 

2532: Aircraft and Ground Crew

December 28, 2021December 28, 2021 Master Builder 3833 Views

Year Released: 1998BricklinkInstructions

Read more
Airport Classic Town Official Sets Small Builds Town Town Sets 

6341: Gas N’ Go Flyer

December 27, 2021December 27, 2021 Master Builder 4606 Views

Year Released: 1994BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6687 – Back D

December 27, 2021December 27, 2021 Master Builder 2274 Views

From: 6687: Turbo Prop IName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6687 – Back C

December 27, 2021December 27, 2021 Master Builder 2589 Views

From: 6687: Turbo Prop IName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6687 – Back B

December 27, 2021December 27, 2021 Master Builder 2601 Views

From: 6687: Turbo Prop IName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6687 – Back A

December 27, 2021December 27, 2021 Master Builder 2032 Views

From: 6687: Turbo Prop IName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Official Sets Small Builds Town Town Sets 

6687: Turbo Prop I

December 27, 2021December 27, 2021 Master Builder 4445 Views

Year Released: 1987BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6396 – Inside B

July 14, 2021July 14, 2021 Master Builder 1961 Views

From: 6396: International JetportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6396 – Inside A

July 14, 2021July 14, 2021 Master Builder 2749 Views

From: 6396: International JetportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6396 – Back C

July 14, 2021July 14, 2021 Master Builder 2810 Views

From: 6396: International JetportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6396 – Back B

July 14, 2021July 14, 2021 Master Builder 2972 Views

From: 6396: International JetportName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6396 – Back A

July 14, 2021July 14, 2021 Master Builder 2003 Views

From: 6396: International JetportName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Extra Large Builds Official Sets Town Town Sets 

6396: International Jetport

July 14, 2021July 14, 2021 Master Builder 5514 Views

Year Released: 1990BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6345 – Back E

January 29, 2021September 15, 2022 Master Builder 2478 Views

From: 6345: Aerial AcrobatsName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Medium Builds Town Town Alternate Builds 

6345 – Back D

January 29, 2021September 15, 2022 Master Builder 2045 Views

From: 6345: Aerial AcrobatsName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6345 – Back C

January 29, 2021September 15, 2022 Master Builder 1925 Views

From: 6345: Aerial AcrobatsName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6345 – Back B

January 29, 2021September 15, 2022 Master Builder 2201 Views

From: 6345: Aerial AcrobatsName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Large Builds Town Town Alternate Builds 

6345 – Back A

January 29, 2021September 15, 2022 Master Builder 2416 Views

From: 6345: Aerial AcrobatsName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Large Builds Official Sets Town Town Sets 

6345: Aerial Acrobats

January 29, 2021September 15, 2022 Master Builder 4579 Views

Year Released: 1993BricklinkInstructions

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6368 – Back D

January 21, 2021January 21, 2021 Master Builder 1860 Views

From: 6368: Jet AirlinerName: TBDSubmitted by: USERInstructions:

Read more
Airport Alternate Builds Classic Town Small Builds Town Town Alternate Builds 

6368 – Back B

January 21, 2021January 21, 2021 Master Builder 2011 Views

From: 6368: Jet AirlinerName: TBDSubmitted by: USERInstructions:

Read more
Airport Classic Town Medium Builds Official Sets Town Town Sets 

6368: Jet Airliner

January 21, 2021January 21, 2021 Master Builder 4383 Views

Year Released: 1985BricklinkInstructions

Read more
Airport Classic Town Large Builds Official Sets Town Town Sets 

6346: Shuttle Launching Crew

November 20, 2020November 20, 2020 Master Builder 5534 Views

Year Released: 1992BricklinkInstructions

Read more
Airport Classic Town Medium Builds Official Sets Town Town Sets 

6673: Solo Trainer

November 18, 2020November 18, 2020 Master Builder 4413 Views

Year Released: 1990BricklinkInstructions

Read more

EXPLORE MORE OFFICIAL SETS

6265: Sabre Island
Imperial Soldiers Official Sets Pirates Pirates I Pirates Sets Small Builds 

6265: Sabre Island

May 28, 2024May 28, 2024 Master Builder

Year Released: 1989BricklinkInstructions

2152: Robo Raptor
ABCs Large Builds Official Sets Robo Force Robo Force Sets Space 

2152: Robo Raptor

January 14, 2021March 22, 2025 Master Builder
2586: King & Throne (Chess King)
Castle Castle Sets Official Sets Very Small Builds 

2586: King & Throne (Chess King)

January 29, 2021January 29, 2021 Master Builder
6615: Eagle Stunt Flyer
Airport Classic Town Official Sets Small Builds Town Town Sets 

6615: Eagle Stunt Flyer

January 5, 2022January 5, 2022 Master Builder
6543: Sail N’ Fly Marina
Classic Town Extra Large Builds Harbor Official Sets Town Town Sets Wrecker 

6543: Sail N’ Fly Marina

July 22, 2022July 22, 2022 Master Builder
8000: Pit Droid
Large Builds Official Sets Technic Technic Sets 

8000: Pit Droid

September 11, 2023September 11, 2023 Master Builder
4793: Ogel Sub Shark
Alpha Team Alpha Team Sets Medium Builds Mission Deep Sea Official Sets 

4793: Ogel Sub Shark

February 21, 2024February 21, 2024 Master Builder
1499: Twin Starfire
Classic Space Classic Space Sets Official Sets Small Builds Space 

1499: Twin Starfire

February 3, 2021February 3, 2021 Master Builder
6848: Interplanetary Shuttle
Classic Space Classic Space Sets Duplicate Set Number Official Sets Small Builds Space 

6848: Interplanetary Shuttle

March 11, 2024March 11, 2024 Master Builder
2845: Indian Chief
Indians Official Sets Very Small Builds Western Western Sets 

2845: Indian Chief

October 10, 2023October 10, 2023 Master Builder
3676: Catherine Cat’s Fun Park
Box Story Fabuland Fabuland Sets Official Sets Small Builds 

3676: Catherine Cat’s Fun Park

March 1, 2025March 1, 2025 Master Builder
6078: Royal Drawbridge
Castle Castle Sets Daniel August Krentz Large Builds Official Sets Royal Knights 

6078: Royal Drawbridge

January 12, 2022July 29, 2023 Master Builder
6030: Catapult
Black Falcons Castle Castle Sets Official Sets Small Builds 

6030: Catapult

April 2, 2022April 2, 2022 Master Builder
6750: Sonic Robot
Classic Space Classic Space Sets Official Sets Small Builds 

6750: Sonic Robot

September 22, 2019September 28, 2019 Master Builder
1747: Treasure Cave
Official Sets Pirates Pirates I Pirates Sets Very Small Builds 

1747: Treasure Cave

May 6, 2022May 6, 2022 Master Builder
6949: Robo-Guardian
ABCs Large Builds Official Sets Space Spyrius Spyrius Sets 

6949: Robo-Guardian

October 23, 2019August 15, 2023 Master Builder

BOXES

INSTRUCTIONS

FAVORITES

MINIFIGS

About This Site

Logo
There were once pictures of additional LEGO® builds on the back of set boxes. Written on the boxes was typically something about the endless building possibilities, "Build any of these exciting models with this set!" There were no instructions for these alternate builds, until now.

Sets

  • Adventurers
  • Aquazone
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • Town
  • Universal Building Set
  • Western
  • More Sets
  • Misc

Useful Links

  • Submit Instructions!
  • New Instructions
  • New Official Sets
  • New Alternate Builds
  • Minifigs
  • Very Small Builds (<35 pcs)
  • Small Builds (<100 pcs)
  • Medium Builds (<200 pcs)
  • Large Builds (<400 pcs)
  • Extra Large Builds (>400 pcs)
  • How BOTBB was Built

In Honor of 1526

The classic space set that never was.

Copyright © 2025 Back of the Box Builds. All rights reserved. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize, or endorse this site.