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

Extra Large Alt Build

Alternate Builds Classic Space Classic Space Alternate Builds Extra Large Alt Build Extra Large Builds Instructions Added Space

6985 – Back D

September 28, 2019November 18, 2021 Master Builder 6298 ViewsExtra Large Alt Build

From: 6985: Cosmic Fleet VoyagerName: Cosmic Fleet Starbase Instructions: PDF (Photo Sequence)

EXPLORE MORE OFFICIAL SETS

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

7144: Slave I

October 28, 2021October 28, 2021 Master Builder

Year Released: 2000BricklinkInstructions

BIONICLE BIONICLE Sets Extra Large Builds Official Sets Warriors

8922: Gadunka

March 6, 2026March 6, 2026 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

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

4705: Snape’s Class

April 16, 2021April 16, 2021 Master Builder

Basic Large Builds Official Sets Universal Building Set

535: Basic Building Set Tote Pack

May 15, 2023May 16, 2023 Master Builder

Box Marketing Blurb Extra Large Builds Jørn Thomsen M:Tron M:Tron Sets Official Sets

6989: Mega Core Magnetizer (Multi Core Magentizer)

September 15, 2019February 18, 2026 Master Builder

Drome Racers Official Sets Racers Very Small Builds

4592: Red Monster

November 14, 2025November 14, 2025 Master Builder

Box Plus FreeStyle FreeStyle Official Sets Official Sets Poster Small Builds

4150: FreeStyle Building Set

December 17, 2025December 17, 2025 Master Builder

9V Medium Builds Official Sets Town Train Train Sets

4532: Manual Level Crossing

May 22, 2026May 22, 2026 Master Builder

Extreme Team Official Sets Small Builds Town Town Sets

2963: Extreme Racer

January 30, 2024January 30, 2024 Master Builder

Episode III Medium Builds Official Sets Star Wars Star Wars Sets

7256: Jedi Starfighter & Vulture Droid

March 1, 2023May 12, 2023 Master Builder

Classic Space Classic Space Sets Official Sets Very Small Builds

6809: XT-5 and Droid

April 4, 2020April 4, 2020 Master Builder

Adventurers Adventurers Sets Box Plus Desert Medium Builds Official Sets Storage Container

5909: Treasure Raiders set with Mummy Storage Container

October 8, 2024October 10, 2024 Master Builder

Box Story Large Builds Official Sets Pirates Pirates I Pirates Sets

6279: Skull Island

February 21, 2025February 21, 2025 Master Builder

Castle Castle Sets Official Sets Very Small Builds Wolfpack

1596: Ghostly Hideout

July 25, 2024July 25, 2024 Master Builder

Cowboys Official Sets Very Small Builds Western Western Sets

6712: Sheriff’s Showdown

October 10, 2023October 10, 2023 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.