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Back of the Box Builds

Back of the Box Builds

LEGO Alternate Builds!

  • SETS
    • Adventurers
    • Aquazone
    • Belville
    • BATMAN™
    • BIONICLE
    • Building Set with People
    • Castle
    • Duplo
    • Fabuland
    • Harry Potter
    • Holiday and Event
    • LEGOLAND
    • Model Team
    • Pirates
    • Space
    • Star Wars
    • Technic
    • Train
    • 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

BACK OF THE BOX BUILDS

6352 – Back A
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6352 – Back A

October 5, 2023October 10, 2023 Master Builder
375-1 – Back E
Alternate Builds Medium Builds Samsonite Samsonite Alternate Builds 

375-1 – Back E

September 11, 2023September 11, 2023 Master Builder
6397 – Back B
Alternate Builds Classic Town Gas Station Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6397 – Back B

April 27, 2023May 19, 2023 Master Builder
1665 – Back A
Alternate Builds Small Builds Town Town Alternate Builds 

1665 – Back A

April 30, 2024April 30, 2024 Master Builder
4479 – Back A
Alternate Builds Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

4479 – Back A

January 6, 2025January 7, 2025 Master Builder
2331 – Back B
Alternate Builds Basic Set Duplo Duplo Alternate Builds Very Small Builds 

2331 – Back B

December 29, 2021December 29, 2021 Master Builder
6832 – Back A
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6832 – Back A

October 5, 2019October 25, 2021 Master Builder

NEW INSTRUCTIONS ADDED!View All

  • Book 7777 – Page 66-67
    Idea Book Instructions Added Large Alt Build Large Builds Town Train 

    Book 7777 – Page 66-67

  • 4563 – Back A
    Alternate Builds Instructions Added Large Alt Build Large Builds Train Train Alternate Builds 

    4563 – Back A

  • 6900 – Back B
    Alternate Builds Instructions Added Medium Alt Build Medium Builds Space UFO UFO Alternate Builds 

    6900 – Back B

  • 6348 – Back E
    Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

    6348 – Back E

  • 6348 – Back D
    Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Police Town Town Alternate Builds 

    6348 – Back D

Book 7777 – Page 66-67Book 7777 – Page 66-674563 – Back A4563 – Back A6900 – Back B6900 – Back B6348 – Back E6348 – Back E6348 – Back D6348 – Back D

NEW OFFICIAL SETS ADDED!View All

1656: Evacuation Team
Classic Town Fire Large Builds Official Sets Town Town Sets 

1656: Evacuation Team

July 22, 2026July 22, 2026 Master Builder

Year Released: 1991BricklinkInstructions

4552: Cargo Crane
9V Large Builds Official Sets Town Train Train Sets 

4552: Cargo Crane

July 22, 2026July 22, 2026 Master Builder

Year Released: 1995InstructionsBricklink

4525: Road and Rail Repair
9V Official Sets Small Builds Town Train Train Sets 

4525: Road and Rail Repair

July 22, 2026July 22, 2026 Master Builder

Year Released: 1994InstructionsBricklink

NEW ALTERNATE BUILDS ADDED!View All

1656 – Back D
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back D

July 22, 2026July 22, 2026 Master Builder
1656 – Back C
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back C

July 22, 2026July 22, 2026 Master Builder
1656 – Back B
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back B

July 22, 2026July 22, 2026 Master Builder
1656 – Back A
Alternate Builds Classic Town Fire Medium Builds Town Town Alternate Builds 

1656 – Back A

July 22, 2026July 22, 2026 Master Builder
4552 – Back C
Alternate Builds Large Builds Train Train Alternate Builds 

4552 – Back C

July 22, 2026July 22, 2026 Master Builder
4552 – Back B
Alternate Builds Large Builds Train Train Alternate Builds 

4552 – Back B

July 22, 2026July 22, 2026 Master Builder
4552 – Back A
Alternate Builds Large Builds Train Train Alternate Builds 

4552 – Back A

July 22, 2026July 22, 2026 Master Builder
4525 – Back B
Alternate Builds Small Builds Train Train Alternate Builds 

4525 – Back B

July 22, 2026July 22, 2026 Master Builder
4525 – Back A
Alternate Builds Small Builds Train Train Alternate Builds 

4525 – Back A

July 22, 2026July 22, 2026 Master Builder
4536 – Back C
Alternate Builds Medium Builds Train Train Alternate Builds 

4536 – Back C

July 10, 2026July 10, 2026 Master Builder

STAR WARSView All

7146 – Back B
Alternate Builds Episode IV/V/VI Medium Builds Star Wars Star Wars Alternate Builds 

7146 – Back B

February 19, 2025February 19, 2025 Master Builder

From: 7146: TIE FighterName: TBDSubmitted by: USERInstructions

HARRY POTTERView All

4750 – Back A
Alternate Builds Harry Potter Harry Potter Alternate Builds Prisoner of Azkaban Very Small Builds 

4750 – Back A

May 16, 2023May 16, 2023 Master Builder

From: 4750: Draco’s Encounter with BuckbeakName: TBDSubmitted by: USERInstructions:

INSTRUCTIONS ADDEDView All

2845 – Back B
Alternate Builds Indians Instructions Added Very Small Alt Build Very Small Builds Western Western Alternate Builds 

2845 – Back B

6135 – Back A
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Small Alt Build Small Builds 

6135 – Back A

4735 – Back B
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Small Builds 

4735 – Back B

6234 – Back A
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Very Small Alt Build Very Small Builds 

6234 – Back A

6844 – Back C
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6844 – Back C

6043 – Back B
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Medium Alt Build Medium Builds 

6043 – Back B

6987 – Back A
Alternate Builds Blacktron Blacktron Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6987 – Back A

6541 – Back F
Alternate Builds Classic Town Harbor Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6541 – Back F

1732 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Very Small Alt Build Very Small Builds 

1732 – Back C

6360 – Back B
Alternate Builds Building Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6360 – Back B

6685 – Catalog 4
Alternate Builds Classic Town Fire Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6685 – Catalog 4

6390 – Back A
Alternate Builds Classic Town Extra Large Alt Build Extra Large Builds Instructions Added Town Town Alternate Builds Traffic 

6390 – Back A

6397 – Back E
Alternate Builds Classic Town Gas Station Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6397 – Back E

6346 – Back B
Airport Alternate Builds Classic Town Instructions Added Large Alt Build Large Builds Town Town Alternate Builds 

6346 – Back B

6933 – Back D
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6933 – Back D

4591 – Back A
Alternate Builds Drome Racers Instructions Added Racers Racers Alternate Builds Small Alt Build Very Small Alt Build Very Small Builds 

4591 – Back A

194 – Back D
Alternate Builds Building Set with People Building Set with People Alternate Builds Instructions Added Small Alt Build Small Builds 

194 – Back D

4735 – Back A
Alternate Builds Chamber of Secrets Harry Potter Harry Potter Alternate Builds Instructions Added Small Builds 

4735 – Back A

6454 – Back B
Alternate Builds Instructions Added Small Alt Build Small Builds Space Port Town Town Alternate Builds 

6454 – Back B

6892 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6892 – Back B

6361 – Back A
Alternate Builds Classic Town Construction Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6361 – Back A

6829 – Back A
Alternate Builds Instructions Added Small Alt Build Small Builds Space UFO UFO Alternate Builds 

6829 – Back A

7184 – Instructions 5
Alternate Builds Alternate Instructions Included Episode IV/V/VI Instructions Added Medium Alt Build Medium Builds Star Wars Star Wars Alternate Builds 

7184 – Instructions 5

Book 6000 – Page 78-79
Castle Castle Alternate Builds Idea Book Instructions Added Large Alt Build Large Builds 

Book 6000 – Page 78-79

1787 – Back A
Alternate Builds Instructions Added Medium Alt Build Medium Builds Space Unitron Unitron Alternate Builds 

1787 – Back A

6264 – Back B
Alternate Builds Instructions Added Islanders Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6264 – Back B

6833 – Back C
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Space Very Small Alt Build Very Small Builds 

6833 – Back C

6483 – Back A
Alternate Builds Classic Town Instructions Added Police Small Alt Build Small Builds Town Town Alternate Builds 

6483 – Back A

6335 – Back C
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Race Town Town Alternate Builds 

6335 – Back C

6260 – Back C
Alternate Builds Instructions Added Pirates Pirates Alternate Builds Pirates I Small Alt Build Small Builds 

6260 – Back C

6814 – Back A
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6814 – Back A

6687 – Back E
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6687 – Back E

6037 – Back B
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Small Alt Build Small Builds 

6037 – Back B

6641 – Back C
Alternate Builds Classic Town Instructions Added Off-Road Small Alt Build Small Builds Town Town Alternate Builds 

6641 – Back C

6813 – Back B
Alternate Builds Instructions Added Space Space Police II Space Police II Alternate Builds Very Small Alt Build Very Small Builds 

6813 – Back B

6265 – Back C
Alternate Builds Imperial Soldiers Instructions Added Pirates Pirates Alternate Builds Pirates I Small Builds 

6265 – Back C

6027 – Back C
Alternate Builds Castle Castle Alternate Builds Fright Knights Instructions Added Small Alt Build Small Builds 

6027 – Back C

6042 – Back A
Alternate Builds Castle Castle Alternate Builds Crusaders Instructions Added Small Alt Build Small Builds 

6042 – Back A

6987 – Back D
Alternate Builds Blacktron Blacktron Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added 

6987 – Back D

6835 – Back B
Alternate Builds Instructions Added Small Alt Build Small Builds Spyrius Spyrius Alternate Builds 

6835 – Back B

6352 – Back E
Alternate Builds Classic Town Construction Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6352 – Back E

6506 – Back C
Alternate Builds Classic Town Instructions Added Police Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6506 – Back C

6844 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6844 – Back B

720 – Back E
Alternate Builds Basic Instructions Added LEGOLAND Alternate Builds Medium Alt Build Medium Builds Universal Building Set Universal Building Set Alternate Builds 

720 – Back E

Book 6000 – Page 64-65
ABCs Classic Space Classic Space Alternate Builds Idea Book Instructions Added Large Alt Build Space 

Book 6000 – Page 64-65

Book 7777 – Page 42-43
Idea Book Instructions Added Large Alt Build Large Builds Town Train 

Book 7777 – Page 42-43

6062 – Back C
ABCs Alternate Builds Black Falcons Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6062 – Back C

Book 6000 – Page 8-9
Classic Town Idea Book Instructions Added Town 

Book 6000 – Page 8-9

7701 – Inside A
Alternate Builds Exo-Force Exo-Force Alternate Builds Instructions Added Medium Builds 

7701 – Inside A

6054 – Back C
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds Royal Knights 

6054 – Back C

6348 – Back D
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Police Town Town Alternate Builds 

6348 – Back D

Book 6000 – Page 16-17
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 16-17

6871 – Back D
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6871 – Back D

6512 – Back C
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6512 – Back C

6512 – Back B
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6512 – Back B

1875 – Back A
Alternate Builds Blacktron Blacktron Alternate Builds Bonus/Value Pack Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1875 – Back A

6851 – Back C
Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6851 – Back C

Book 200 – Page 42-43
Castle Castle Alternate Builds Idea Book Instructions Added Small Alt Build Small Builds 

Book 200 – Page 42-43

6358 – Back A
Alternate Builds Classic Town Fire Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6358 – Back A

6381 – Back E
Alternate Builds Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6381 – Back E

6510 – Back B
Alternate Builds Instructions Added Race Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6510 – Back B

6983 – Back B
ABCs Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Large Alt Build Large Builds 

6983 – Back B

1916 (3015) – Back B
Alternate Builds Instructions Added Space Space Police II Space Police II Alternate Builds Very Small Alt Build Very Small Builds 

1916 (3015) – Back B

6662 – Back A
Alternate Builds Classic Town Construction Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6662 – Back A

6060 – Back B
Alternate Builds Castle Castle Alternate Builds Instructions Added Lion Knights Medium Alt Build Medium Builds 

6060 – Back B

Book 260 – Page 28-29
Castle Castle Alternate Builds Extra Large Alt Build Extra Large Builds Idea Book Instructions Added 

Book 260 – Page 28-29

6834 – Back B
Alternate Builds Ice Planet 2002 Ice Planet 2002 Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6834 – Back B

6115 – Back A
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6115 – Back A

6054 – Back B
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds Royal Knights 

6054 – Back B

6265 – Back B
Alternate Builds Imperial Soldiers Instructions Added Pirates Pirates Alternate Builds Pirates I Small Builds 

6265 – Back B

Viva’s Space Scooter
Alternate Instructions Included Classic Space Classic Space Alternate Builds Comic Book Instructions Added Jim Spaceborn Space 

Viva’s Space Scooter

6811 – Back C
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Space Very Small Alt Build Very Small Builds 

6811 – Back C

6056 – Back C
Alternate Builds Castle Castle Alternate Builds Dragon Knights Instructions Added Small Alt Build Small Builds 

6056 – Back C

6844 – Back A
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6844 – Back A

6042 – Back B
Alternate Builds Castle Castle Alternate Builds Crusaders Instructions Added Small Alt Build Small Builds 

6042 – Back B

1526 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Small Alt Build Small Builds Space 

1526 – Back B

6440 – Back B
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6440 – Back B

8369 – Inside B
Alternate Builds Instructions Added Racers Racers Alternate Builds Radio Control Small Alt Build Small Builds 

8369 – Inside B

6341 – Back B
Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds 

6341 – Back B

6824 – Back B
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Space Very Small Alt Build Very Small Builds 

6824 – Back B

6270 – Back D
Alternate Builds Instructions Added Medium Alt Build Medium Builds Pirates Pirates Alternate Builds Pirates I 

6270 – Back D

6923 – Back C
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Medium Alt Build Medium Builds Space 

6923 – Back C

6956 – Back A
Alternate Builds Instructions Added Large Alt Build Large Builds M:Tron M:Tron Alternate Builds Space 

6956 – Back A

6368 – Back A
Airport Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Town Town Alternate Builds 

6368 – Back A

Book 200 – Page 50-51
Castle Castle Alternate Builds Classic Space Classic Space Alternate Builds Classic Town Extra Large Alt Build Idea Book Instructions Added Large Alt Build Medium Alt Build Space Town 

Book 200 – Page 50-51

6357 – Back D
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6357 – Back D

6780 – Back E
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Medium Alt Build Medium Builds Space 

6780 – Back E

4883 – Instructions C
Alternate Builds Designer Sets Designer Sets Alternate Builds Instructions Added Small Alt Build Small Builds 

4883 – Instructions C

6018 – Back C
Alternate Builds Castle Castle Alternate Builds Instructions Added Small Alt Build Small Builds 

6018 – Back C

6896 – Back C
Alternate Builds Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space 

6896 – Back C

6135 – Back B
Alternate Builds Aquashark Aquazone Aquazone Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6135 – Back B

Book 6000 – Page 12-13
Classic Town Idea Book Instructions Added Medium Alt Build Town 

Book 6000 – Page 12-13

6590 – Back A
Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds Traffic 

6590 – Back A

6335 – Back E
Alternate Builds Classic Town Instructions Added Medium Alt Build Medium Builds Race Town Town Alternate Builds 

6335 – Back E

6387 – Back E
Alternate Builds Classic Town Coast Guard Instructions Added Town Town Alternate Builds Very Small Alt Build Very Small Builds 

6387 – Back E

6054 – Back A
Alternate Builds Castle Castle Alternate Builds Forestmen Instructions Added Medium Alt Build Medium Builds Royal Knights 

6054 – Back A

6954 – Inside A
Alternate Builds Blacktron Blacktron Alternate Builds Instructions Added Large Alt Build Large Builds Space 

6954 – Inside A

7161 – Back C
Alternate Builds Instructions Added Large Alt Build Large Builds Star Wars Star Wars Alternate Builds 

7161 – Back C

6810 – Back B
Alternate Builds Futuron Futuron Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6810 – Back B

6878 – Back A
ABCs Alternate Builds Blacktron II Blacktron II Alternate Builds Instructions Added Small Alt Build Small Builds Space 

6878 – Back A

EXPLORE MORE OFFICIAL SETS

6541: Intercoastal Seaport
ABCs Classic Town Extra Large Builds Harbor Official Sets Town Town Sets Wrecker 

6541: Intercoastal Seaport

January 25, 2022February 12, 2025 Master Builder

Year Released: 1991BricklinkInstructions *Alternate Build Connection: M:Tron Prototypes (BrickJournal: Issue 6 Volume 2, BrickJournal: Issue 12, LEGO® Space: 1978-1992)

7701: Grand Titan
ABCs Exo-Force Medium Builds Official Sets 

7701: Grand Titan

March 26, 2026March 26, 2026 Master Builder
132: Cottage
Box Story Fabuland Fabuland Sets Medium Builds Official Sets 

132: Cottage

March 1, 2023April 3, 2024 Master Builder
6160: Sea Scorpion
Aquazone Aquazone Sets Large Builds Official Sets Stingrays 

6160: Sea Scorpion

October 29, 2019April 4, 2020 Master Builder
6783: Sonar Transmitting Cruiser
ABCs Classic Space Classic Space Sets Large Builds Official Sets Space 

6783: Sonar Transmitting Cruiser

May 8, 2022August 15, 2023 Master Builder
4482: AT-TE
Episode II Extra Large Builds Official Sets Star Wars Star Wars Sets 

4482: AT-TE

April 9, 2020April 9, 2020 Master Builder
897: Mobile Missile Command
Classic Space Classic Space Sets Jens Nygaard Knudsen Official Sets Small Builds 

897: Mobile Missile Command

September 14, 2019July 31, 2023 Master Builder
1558: Mobile Command Trailer
Classic Space Classic Space Sets Official Sets Small Builds Space 

1558: Mobile Command Trailer

December 18, 2021December 18, 2021 Master Builder
1974-3: Smuggler’s Hayride
Bonus/Value Pack Sets Castle Castle Sets Forestmen Official Sets Small Builds 

1974-3: Smuggler’s Hayride

September 7, 2023September 8, 2023 Master Builder
6820: Starfire I
Classic Space Classic Space Sets Official Sets Space Very Small Builds 

6820: Starfire I

January 12, 2021January 12, 2021 Master Builder
1632: Motor Boat
Classic Town Harbor Official Sets Town Town Sets Very Small Builds Wrecker 

1632: Motor Boat

July 25, 2024July 25, 2024 Master Builder
3152: Playroom for the Baby Thomas
Official Sets Scala Scala Alternate Builds Scala Sets Small Builds 

3152: Playroom for the Baby Thomas

July 10, 2024July 10, 2024 Master Builder
1853: Navigator
Box Plus Different Box Versions Medium Builds Official Sets Storage Container Time Cruisers Time Cruisers Sets 

1853: Navigator

March 18, 2025March 5, 2026 Master Builder
4532: Manual Level Crossing
9V Medium Builds Official Sets Town Train Train Sets 

4532: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder
4539: Manual Level Crossing
9V Medium Builds Official Sets Town Train Train Sets 

4539: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder
6344: Jet Speed Justice
Classic Town Medium Builds Official Sets Police Town Town Sets 

6344: Jet Speed Justice

October 8, 2024October 8, 2024 Master Builder

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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
  • BATMAN
  • Bionicle
  • Belville
  • Building Set with People
  • Castle
  • Duplo
  • Fabuland
  • Harry Potter
  • Holiday and Event
  • LEGOLAND
  • Model Team
  • Pirates
  • Space
  • Star Wars
  • Technic
  • Train
  • 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

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The classic space set that never was.

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