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 12003 Views

Year Released: 1988
Designer: Daniel August Krentz
Bricklink
Instructions

Back A

Back A

6940: Alien Moon Stalker →

You May Also Like

Swamp Rover

March 28, 2026March 28, 2026 Master Builder

1720: Cactus Canyon Value Pack

April 14, 2026April 14, 2026 Master Builder

6894 – Back A

January 10, 2022January 11, 2022 Master Builder

6844: Seismologic Vehicle (Sismobile)

October 22, 2019September 10, 2023 Master Builder

6984 – Back C

December 22, 2025December 31, 2025 Master Builder

1954 – Back A

January 26, 2022January 26, 2022 Master Builder

EXPLORE MORE OFFICIAL SETS

Airport Classic Town Official Sets Town Town Sets Very Small Builds

6529: Ultra Light I

July 14, 2022July 14, 2022 Master Builder

Year Released: 1990BricklinkInstructions

Black Knights Castle Castle Sets Official Sets Small Builds

1491: Dual Defender

October 11, 2021October 11, 2021 Master Builder

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

6212: X-wing Fighter

February 1, 2024February 1, 2024 Master Builder

ABCs Jørn Thomsen Medium Builds Official Sets Space Spyrius Spyrius Sets

6889: Recon Robot

October 24, 2019September 9, 2024 Master Builder

Aquaraiders I Aquazone Aquazone Sets Medium Builds Official Sets

2160: Crystal Scavenger

April 25, 2023April 25, 2023 Master Builder

9V Medium Builds Official Sets Town Train Train Sets

4532: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder

Cargo Classic Town Extra Large Builds Official Sets Town Town Sets

6391: Cargo Center

March 13, 2024March 13, 2024 Master Builder

ABCs Classic Town Extra Large Builds Harbor Official Sets Town Town Sets Wrecker

6541: Intercoastal Seaport

January 25, 2022February 12, 2025 Master Builder

Classic Space Classic Space Sets Medium Builds Official Sets Space

6926: Mobile Recovery Vehicle

October 12, 2021October 12, 2021 Master Builder

Islanders Medium Builds Official Sets Pirates Pirates I Pirates Sets

6264: Forbidden Cove

July 1, 2022July 1, 2022 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

Castle Castle Sets Official Sets Very Small Builds

2586: King & Throne (Chess King)

January 29, 2021January 29, 2021 Master Builder

Classic Space Classic Space Sets Jens Nygaard Knudsen Medium Builds Official Sets Space

926 (493): Space Command Center

October 22, 2019July 31, 2023 Master Builder

Cowboys Official Sets Very Small Builds Western Western Sets

6790: Bandit’s Wheelgun

October 10, 2023October 10, 2023 Master Builder

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

1555: Santa Claus Polybag

April 28, 2023May 5, 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.