Skip to content

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
- Town
- Universal Building Set
- Western
- More Sets
- Misc
USEFUL LINKS
THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Small Alt Build Small Builds Space

Blacktron Time Machine

March 1, 2025March 22, 2025 Master Builder 6139 Views

Misc
Build: Blacktron Time Machine ¹
Instructions: View PDF | Download .io File

Also pictured: T42

Bricks n Pieces: Spring 1988 – Page 4
UK LEGO Club Magazine

Contributions

PDF and .io file submitted March 3, 2025 by: Mr.AstonishedRaccoon

← 3676 – Back E
6469: Spaceport Bonus Pack →

You May Also Like

Book 226 – Cover

February 9, 2023February 9, 2023 Master Builder

6360 – Back A

October 19, 2019October 25, 2021 Master Builder

6027: Bat Lord’s Catapult

January 28, 2022January 28, 2022 Master Builder

6770 – Back A

September 11, 2023September 11, 2023 Master Builder

6931 – Inside A

January 12, 2021January 28, 2021 Master Builder

6876 – Back B

November 16, 2019January 10, 2022 Master Builder

EXPLORE MORE OFFICIAL SETS

Black Falcons Castle Castle Sets Official Sets Small Builds

6030: Catapult

April 2, 2022April 2, 2022 Master Builder

Year Released: 1984BricklinkInstructions

Large Builds Official Sets Star Wars Star Wars Sets

7161: Gungan Sub

April 21, 2026April 21, 2026 Master Builder

Classic Town Food and Drink Medium Builds Official Sets Town Town Sets

1620-2: Factory

October 21, 2021October 21, 2021 Master Builder

Airport Classic Town Large Builds Official Sets Town Town Sets

6346: Shuttle Launching Crew

November 20, 2020November 20, 2020 Master Builder

Insectoids Insectoids Sets Official Sets Space Very Small Builds

6903: Bug Blaster

October 4, 2024October 4, 2024 Master Builder

Holiday and Event Holiday and Event Sets Official Sets Very Small Builds

1627: Santa Polybag

May 2, 2023May 2, 2023 Master Builder

ABCs Official Sets Small Builds Space UFO UFO Sets

6829: Radon Rover

August 4, 2020March 22, 2025 Master Builder

Classic Space Classic Space Sets Official Sets Small Builds Space

1526: Unknown (Space Radar Buggy)

August 20, 2025August 29, 2025 Master Builder

Episode IV/V/VI Extra Large Builds Official Sets Star Wars Star Wars Sets

4502: X-wing Fighter (Dagobah)

May 15, 2023May 15, 2023 Master Builder

Classic Town Official Sets Small Builds Town Town Sets Traffic

6699: Cycle Fix-It Shop

October 28, 2025October 28, 2025 Master Builder

M:Tron M:Tron Sets Official Sets Space Very Small Builds

6811: Pulsar Charger

April 17, 2020April 17, 2020 Master Builder

Episode IV/V/VI Medium Builds Official Sets Star Wars Star Wars Sets

4480: Jabba’s Palace

March 18, 2022March 18, 2022 Master Builder

Classic Space Classic Space Sets Large Builds Official Sets

6951: Robot Command Center

September 21, 2019September 28, 2019 Master Builder

Batman I BATMAN™ BATMAN™ Sets Medium Builds Official Sets

7780: The Batboat: Hunt for Killer Croc

March 27, 2026March 27, 2026 Master Builder

Official Sets Pirates Pirates I Pirates Sets Very Small Builds

6234: Renegade’s Raft

May 23, 2022May 23, 2022 Master Builder

Official Sets Power Miners Power Miners Sets Small Builds

8956: Stone Chopper

March 27, 2026March 27, 2026 Master Builder

BOXES

INSTRUCTIONS

FAVORITES

MINIFIGS

About This Site

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
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 © 2026 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.