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

ABCs LEGO Magazine Space UFO UFO Alternate Builds You Can Build This

Alien Planet Cruiser II

March 22, 2025March 22, 2025 Master Builder 6067 Views

Misc
Build: Alien Planet Cruiser II
Submitted By: USER
Instructions:

*Alternate Build Connection: 6836: V-Wing Fighter, 6829: Radon Rover

LEGO Mania Magazine: November-December 1997 – Page 15
US LEGO Club Magazine

← Robo Spy
Ultimate Alien →

You May Also Like

6815 – Back A

July 11, 2022August 7, 2022 Master Builder

6887: Allied Avenger

October 5, 2019July 31, 2023 Master Builder

6957 – Back B

August 31, 2022December 20, 2023 Master Builder

Space Show

February 24, 2025February 24, 2025 Master Builder

1916 (Kabaya: Space 3): Starion Patrol

January 19, 2022February 25, 2025 Master Builder

1789 – Back A

January 16, 2024January 17, 2024 Master Builder

EXPLORE MORE OFFICIAL SETS

ABCs Classic Space Classic Space Sets Medium Builds Official Sets Space

6931: FX-Star Patroller

January 12, 2021March 20, 2025 Master Builder

Year Released: 1985BricklinkInstructions *Alternate Build Connection: Space Mother Ship

Alpha Team Alpha Team Sets Large Builds Official Sets

6776: Ogel Control Center

February 12, 2024February 12, 2024 Master Builder

Exploriens Exploriens Sets Medium Builds Official Sets

6938: Scorpion Detector

March 21, 2023March 5, 2026 Master Builder

Castle Castle Sets Lion Knights Official Sets Small Builds

6017: King’s Oarsman

September 24, 2024September 24, 2024 Master Builder

ABCs Large Builds Launch Command Official Sets Town Town Sets

6614: Launch Evac 1

June 30, 2023February 22, 2025 Master Builder

Alpha Team Alpha Team Sets Medium Builds Mission Deep Sea Official Sets

4794: Alpha Team Command Sub

February 12, 2024February 21, 2024 Master Builder

Island Xtreme Stunts Island Xtreme Stunts Sets Large Builds Official Sets

6740: Xtreme Tower

April 16, 2026April 16, 2026 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6802: Space Probe

October 10, 2022October 10, 2022 Master Builder

Classic Space Classic Space Sets Official Sets Small Builds

6844: Seismologic Vehicle (Sismobile)

October 22, 2019September 10, 2023 Master Builder

Extra Large Builds Official Sets Race Town Town Sets

6395: Victory Lap Raceway

July 1, 2022July 1, 2022 Master Builder

Insectoids Insectoids Sets Official Sets Space Very Small Builds

6903: Bug Blaster

October 4, 2024October 4, 2024 Master Builder

ABCs Exploriens Exploriens Sets Official Sets Small Builds Space

6856: Planetary Decoder

April 16, 2021March 22, 2025 Master Builder

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

7166: Imperial Shuttle

April 16, 2021September 4, 2023 Master Builder

Imperial Guards Official Sets Pirates Pirates I Pirates Sets Small Builds

6266: Cannon Cove

December 27, 2021June 3, 2022 Master Builder

Classic Town Construction Medium Builds Official Sets Town Town Sets

6481: Construction Crew

April 9, 2020July 4, 2022 Master Builder

Classic Town Fire Official Sets Town Town Sets Very Small Builds

6505: Fire Chief’s Car

July 8, 2022July 8, 2022 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.