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
- Train
- 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 Sets Daniel August Krentz Extra Large Builds Official Sets Space

6987: Message Intercept Base

September 12, 2019March 2, 2026 Master Builder 12376 Views

Year Released: 1988
Designer: Daniel August Krentz
Bricklink
Instructions

Back A

Back A

6940: Alien Moon Stalker →

You May Also Like

1821: Rally Racers

February 10, 2025March 22, 2025 Master Builder

6693: Recycle Truck

May 10, 2022May 10, 2022 Master Builder

7411: Tygurah’s Roar

December 16, 2025December 16, 2025 Master Builder

6982 – Back D

November 9, 2019November 9, 2019 Master Builder

6344: Jet Speed Justice

October 8, 2024October 8, 2024 Master Builder

885 – Back A

January 27, 2024May 13, 2026 Master Builder

EXPLORE MORE OFFICIAL SETS

Box Story Duplicate Set Number Medium Builds Ninja Ninja Alternate Builds Ninja Official Sets Official Sets

6083-2: Samurai Stronghold

December 16, 2025December 16, 2025 Master Builder

Year Released: 1998BricklinkInstructions

Classic Space Classic Space Sets Official Sets Small Builds Space

6880: Surface Explorer

May 4, 2020May 4, 2020 Master Builder

Futron Sets Futuron Official Sets Small Builds Space

6828: Twin-Winged Spoiler

November 20, 2019May 25, 2020 Master Builder

Classic Town Fire Large Builds Official Sets Town Town Sets

6385: Fire House-I

August 7, 2022August 7, 2022 Master Builder

Medium Builds Official Sets Pirates Pirates I Pirates Sets

6261: Raft Raiders

April 7, 2026April 7, 2026 Master Builder

Bonus/Value Pack Sets Bonus/Value Packs Classic Town Official Sets Recreation Small Builds Town

1720: Cactus Canyon Value Pack

April 14, 2026April 14, 2026 Master Builder

Medium Builds Official Sets Technic Technic Sets

8044: Universal Pneumatic Set

August 23, 2024August 23, 2024 Master Builder

Airport Classic Town Large Builds Official Sets Town Town Sets

6346: Shuttle Launching Crew

November 20, 2020August 10, 2026 Master Builder

Castle Castle Sets Lion Knights Medium Builds Official Sets

6041: Armor Shop

September 25, 2024September 25, 2024 Master Builder

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

Castle Castle Sets Lion Knights Official Sets Very Small Builds

6016: Knight’s Arsenal

October 12, 2021October 12, 2021 Master Builder

Blacktron Blacktron Sets Bonus/Value Packs Castle Castle Sets Classic Town Forestmen Official Sets Small Builds Space Town Traffic

1675: Legoland Triple Pack

October 12, 2021October 12, 2021 Master Builder

Official Sets Res-Q Small Builds Town Town Sets

6431: Road Rescue

January 20, 2022January 20, 2022 Master Builder

ABCs Box Plus Classic Town Medium Builds Official Sets Playscape/Play Stage Box Race Town Town Sets

1821: Rally Racers

February 10, 2025March 22, 2025 Master Builder

ABCs M:Tron M:Tron Sets Medium Builds Official Sets

6923: Particle Ionizer

October 1, 2019August 13, 2023 Master Builder

ABCs Exo-Force Medium Builds Official Sets

7701: Grand Titan

March 26, 2026March 26, 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
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.

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.