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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
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    • New Alternate Builds
    • Minifigs
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    • Extra Large Builds
    • How BOTBB was Built
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Jim Spaceborn

Classic Space Classic Space Alternate Builds Comic Book Jim Spaceborn Space 

Swamp Rover

March 28, 2026March 28, 2026 Master Builder 4404 Views

Name: Swamp RoverSubmitted By: USERInstructions: Jim Spaceborn: The Kidnappers From Swamp Planet

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Alternate Instructions Included Classic Space Classic Space Alternate Builds Comic Book Instructions Added Jim Spaceborn Space 

Viva’s Space Scooter

March 28, 2026March 28, 2026 Master Builder 4483 Views

Name: Viva’s Space ScooterInstructions: Included on Page Jim Spaceborn: The Kidnappers From Swamp Planet – Page 47

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ABCs Alternate Builds Classic Space Classic Space Alternate Builds Comic Book Instructions Added Jim Spaceborn Small Alt Build Small Builds Space 

6847 – Comic

September 14, 2025March 28, 2026 Master Builder 4005 Views

Name: Dozer Instructions: View PDF | Download .io File *Alternate Build Connection: 6847: Space Dozer, Keko’s Uncle Jim Spaceborn: The Unknown Galaxy – Page

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Classic Space Classic Space Alternate Builds Comic Book Instructions Added Jim Spaceborn Medium Alt Build Medium Builds Space 

Pathfinder

April 14, 2025April 29, 2025 Master Builder 5037 Views

MiscName: Pathfinder Instructions: View PDF | Download .io File Jim Spaceborn: The Unknown Galaxy

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Classic Space Classic Space Alternate Builds Comic Book Jim Spaceborn Space 

Galactic Spearhead

April 9, 2025April 10, 2025 Master Builder 4809 Views

MiscName: Galactic SpearheadSubmitted by: USERInstructions: 1984 LEGOLAND Book Trapped in Space by Douglas Hill

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Classic Space Classic Space Alternate Builds Comic Book Instructions Added Jim Spaceborn Space 

Keko’s Family

March 14, 2025March 28, 2026 Master Builder 4518 Views

MiscFrom: The Unknown Galaxy Jim Spaceborn: The Unknown Galaxy – Page 55 Name: KekoSubmitted by: USERInstructions: Name: Keko’s CousinSubmitted by: USERInstructions: Name:

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Classic Space Classic Space Alternate Builds Comic Book Jim Spaceborn Space 

L-Sie

March 14, 2025March 28, 2026 Master Builder 4748 Views

Name: L-SieSubmitted by: USERInstructions: Jim Spaceborn: The Unknown Galaxy – Page 38

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Classic Space Classic Space Alternate Builds Comic Book Jim Spaceborn Space 

MAGS

March 14, 2025April 10, 2025 Master Builder 4972 Views

MiscName: MAGSSubmitted by: USERInstructions: Jim Spaceborn: The Unknown Galaxy

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Blacktron Blacktron Alternate Builds Classic Space Classic Space Alternate Builds Comic Book Jim Spaceborn Space 

Robus

March 14, 2025April 10, 2025 Master Builder 4369 Views

MiscName: RobusSubmitted by: USERInstructions: Jim Spaceborn: The Unknown Galaxy

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Classic Space Classic Space Alternate Builds Comic Book Jim Spaceborn Space 

Spearhead

March 14, 2025April 10, 2025 Master Builder 4704 Views

MiscName: SpearheadSubmitted by: USERInstructions: Jim Spaceborn: The Unknown Galaxy – Page 54

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EXPLORE MORE OFFICIAL SETS

5550: Custom Rally Van
Extra Large Builds Model Team Model Team Sets Official Sets 

5550: Custom Rally Van

February 9, 2026March 4, 2026 Master Builder

Year Released: 1991BricklinkInstructions

9401: M:Tron Team
Bonus/Value Pack Sets Bonus/Value Packs M:Tron M:Tron Sets Official Sets Space Very Small Builds 

9401: M:Tron Team

February 18, 2026March 7, 2026 Master Builder
2963: Extreme Racer
Extreme Team Official Sets Small Builds Town Town Sets 

2963: Extreme Racer

January 30, 2024January 30, 2024 Master Builder
6850: Auxiliary Patroller
Bjarne Tveskov Futron Sets Futuron Official Sets Small Builds 

6850: Auxiliary Patroller

September 24, 2019July 29, 2023 Master Builder
6957: Solar Snooper
ABCs Box Story Jørn Thomsen Large Builds Official Sets Space Space Police II Space Police II Sets 

6957: Solar Snooper

March 18, 2022February 18, 2025 Master Builder
6085: Black Monarch’s Castle
Black Knights Castle Castle Sets Extra Large Builds Niels Milan Pedersen Official Sets 

6085: Black Monarch’s Castle

July 13, 2021July 29, 2023 Master Builder
6921: Monorail Accessory Track
Futuron Official Sets Space Supplemental 

6921: Monorail Accessory Track

September 1, 2023January 22, 2026 Master Builder
6264: Forbidden Cove
Islanders Medium Builds Official Sets Pirates Pirates I Pirates Sets 

6264: Forbidden Cove

July 1, 2022July 1, 2022 Master Builder
1498: Spy-Bot
Classic Space Classic Space Sets Official Sets Small Builds Space 

1498: Spy-Bot

March 11, 2024March 11, 2024 Master Builder
6983: Ice Station Odyssey
Box Story Ice Planet 2002 Ice Planet 2002 Sets Jørn Thomsen Large Builds Official Sets Space 

6983: Ice Station Odyssey

November 9, 2019March 20, 2025 Master Builder
951: Bulldozer
Large Builds Official Sets Technic Technic Sets 

951: Bulldozer

December 17, 2025December 17, 2025 Master Builder
6071: Forestmen’s Crossing
Box Marketing Blurb Castle Castle Sets Forestmen Medium Builds Official Sets 

6071: Forestmen’s Crossing

October 23, 2019April 3, 2024 Master Builder
4591: Star Strike
Drome Racers Official Sets Racers Very Small Builds 

4591: Star Strike

February 21, 2025February 21, 2025 Master Builder
6542: Launch & Load Seaport
Classic Town Extra Large Builds Harbor Official Sets Town Town Sets Wrecker 

6542: Launch & Load Seaport

August 1, 2022August 1, 2022 Master Builder
6693: Recycle Truck
Classic Town Official Sets Small Builds Town Town Sets Traffic 

6693: Recycle Truck

May 10, 2022May 10, 2022 Master Builder
6651: Post Office Van
Classic Town Official Sets Post Office Small Builds Town Town Sets 

6651: Post Office Van

February 3, 2021February 3, 2021 Master Builder

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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
  • 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

In Honor of 1526

The classic space set that never was.

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