Skip to content

Back of the Box Builds

LEGO Alternate Builds!

SETS
- Adventurers
- Aquazone
- 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
THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

Alternate Builds Blacktron Blacktron Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added

6987 – Back A

January 31, 2022February 1, 2022 Master Builder 5111 Views

From: 6987: Message Intercept Base
Name: Message Processing Hub ¹
Instructions: View PDF | Download .io File

Contributions

Name, PDF, and .io file submitted on January 30, 2022 by: Valdis

← 6357 – Back B
Book 6000 – Page 34-35 →

You May Also Like

6263 – Back A

February 21, 2025February 21, 2025 Master Builder

6479 – Back B

April 16, 2021April 16, 2021 Master Builder

6511 – Back C

May 10, 2022May 10, 2022 Master Builder

1626 – Back A

March 4, 2023March 4, 2023 Master Builder

6391 – Back F

March 13, 2024March 13, 2024 Master Builder

1682 – Inside B

July 25, 2024July 25, 2024 Master Builder

EXPLORE MORE OFFICIAL SETS

Harry Potter Harry Potter Sets Medium Builds Official Sets Sorcerer's Stone

4704: The Chamber of the Winged Keys

May 28, 2024May 28, 2024 Master Builder

Year Released: 2001BricklinkInstructions

Classic Space Classic Space Sets Duplicate Set Number Official Sets Small Builds Space

6848: Interplanetary Shuttle

March 11, 2024March 11, 2024 Master Builder

ABCs Official Sets Race Town Town Sets Very Small Builds

6677: Motocross Racing

June 8, 2023July 31, 2023 Master Builder

Aquanauts Aquazone Aquazone Sets Jørn Thomsen Official Sets Very Small Builds

6125: Sea Sprint 9

April 9, 2020July 29, 2023 Master Builder

Life on Mars Life on Mars Sets Official Sets Very Small Builds

7302 (1416, Kabaya: Life On Mars 2): Worker Robot

February 25, 2025February 25, 2025 Master Builder

Castle Castle Sets Dark Forest Official Sets Small Builds

6024: Bandit Ambush

April 16, 2021April 16, 2021 Master Builder

ABCs Blacktron II Blacktron II Sets Official Sets Very Small Builds

6851: Tri-Wheeled Tyrax

October 24, 2019July 31, 2023 Master Builder

Exo-Force Official Sets Small Builds

7708: Uplink

August 11, 2023August 11, 2023 Master Builder

Classic Town Harbor Official Sets Small Builds Town Town Sets Wrecker

6663: Wave Rebel

June 6, 2022June 6, 2022 Master Builder

Airport Bonus/Value Packs Castle Castle Sets Classic Town Forestmen Futron Sets Futuron Official Sets Small Builds Space Town

1974: Legoland Triple Pack

September 7, 2023September 7, 2023 Master Builder

Classic Town Extra Large Builds Official Sets Town Town Sets Traffic

6393: Big-Rig Truck Stop

June 28, 2022June 28, 2022 Master Builder

Classic Town Official Sets Recreation Small Builds Town Town Sets

6595: Surf Shack

April 9, 2020April 9, 2020 Master Builder

Bonus/Value Packs Castle Castle Sets Official Sets Royal Knights Small Builds Space Spyrius Spyrius Sets

1843: Space/Castle Value Pack

January 21, 2021September 13, 2023 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

Castle Castle Sets Knights Kingdom I Official Sets Small Builds

4818: Dragon Rider

October 8, 2024October 8, 2024 Master Builder

Official Sets Small Builds Star Wars Star Wars Sets

7115: Gungan Patrol

January 12, 2021January 12, 2021 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
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.