Skip to content

Back of the Box Builds

LEGO Alternate Builds!

THEMES
- Adventurers
- Aquazone
- Belville
- Building Set with People
- Castle
- Duplo
- Harry Potter
- Holiday and Event
- Model Team
- Ninja
- Pirates
- Rock Raiders
- Space
- Star Wars
- Studios
- Technic
- Time Cruisers
- Town
- Train
- Western
- Misc
USEFUL LINKS
THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP

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

6981 – Back C

September 22, 2019November 3, 2021 Master Builder 1470 Views

From: 6981: Aerial Intruder
Name: Mobile Intruder ¹
Instructions: View PDF | Download .io File

Back C

Contributions

Name, PDF, and .io file submitted on October 31, 2021 by: IceAge2002

← 6981 – Back B
6981 – Back D →

You May Also Like

6949 – Back A

October 23, 2019January 10, 2022 Master Builder

1484 – Back D

December 28, 2021December 28, 2021 Master Builder

1526 – Back A

April 4, 2020October 25, 2021 Master Builder

4940 – Back A

April 4, 2020April 4, 2020 Master Builder

5975 – Back C

December 29, 2021December 29, 2021 Master Builder

6512 – Back C

June 6, 2022June 6, 2022 Master Builder

EXPLORE MORE OFFICIAL SETS

Building Classic Town Large Builds Official Sets Town Town Sets

6379: Riding Stable

February 8, 2022February 8, 2022 Master Builder

Year Released: 1986BricklinkInstructions

Imperial Armada Official Sets Pirates Pirates Sets Small Builds

6244: Armada Sentry

November 16, 2019April 4, 2020 Master Builder

Classic Town Official Sets Police Small Builds Town Town Sets

6533: Police 4×4

January 6, 2022January 6, 2022 Master Builder

Official Sets Pirates Pirates I Pirates Sets Very Small Builds

6234: Renegade’s Raft

May 23, 2022May 23, 2022 Master Builder

Classic Space Classic Space Classic Space Sets Medium Builds Official Sets Space

6926: Mobile Recovery Vehicle

October 12, 2021October 12, 2021 Master Builder

Castle Castle Sets Lion Knights Official Sets Very Small Builds

6022: Horse Cart

October 19, 2019April 4, 2020 Master Builder

Black Knights Castle Castle Sets Official Sets Very Small Builds

6009: Black Knight

April 9, 2020April 9, 2020 Master Builder

Airport Classic Town Official Sets Town Town Sets Very Small Builds

6515: Stunt Copter

February 2, 2022February 2, 2022 Master Builder

Castle Castle Sets Crusaders Extra Large Builds Official Sets

6081: King’s Mountain Fortress

June 30, 2022June 30, 2022 Master Builder

Classic Town Coast Guard Official Sets Small Builds Town Town Sets

6518: Baja Buggy

May 23, 2022May 23, 2022 Master Builder

Medium Builds Official Sets Pirates Pirates I Pirates Sets

6296: Shipwreck Island

January 12, 2022January 12, 2022 Master Builder

Extra Large Builds Official Sets Unitron Unitron Sets

6991: Monorail Transport Base

September 28, 2019September 28, 2019 Master Builder

Classic Space Classic Space Sets Medium Builds Official Sets Space

6901: Mobile Lab

September 11, 2020September 11, 2020 Master Builder

Official Sets Space Space Police II Space Police II Sets Very Small Builds

1916 (3015): Starion Patrol

January 19, 2022January 19, 2022 Master Builder

Aquanauts Aquazone Aquazone Sets Medium Builds Official Sets

6175: Crystal Explorer Sub

January 20, 2022January 20, 2022 Master Builder

Extra Large Builds Official Sets Res-Q Town Town Sets

6479: Emergency Response Center

April 16, 2021January 20, 2022 Master Builder

BUILD!

MINIFIGS

About This Site

In the 1960s, 70s, 80s, 90s, and early 2000s there were pictures of additional builds on the back of LEGO® boxes. On the box was, "Build any of these exciting models with this set." There were no instructions for these alternate builds, until now.

Themes

Adventurers
Aquazone
Belville
Building Set with People
Castle
Duplo
Harry Potter
Holiday and Event
Model Team
Ninja
Pirates
Rock Raiders
Space
Star Wars
Studio
Technic
Time Cruisers
Town
Train
Western
Misc

Useful Links

Contribute!
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)
About

In Honor of 1526

The classic space set that never was.

Copyright © 2022 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.