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

Classic Town Food and Drink Medium Builds Official Sets Town Town Sets

1620-2: Factory

October 21, 2021October 21, 2021 Master Builder 5390 Views

Year Released: 1978
Bricklink
Instructions

Back A

Back A

← 6038 – Back B
1620-2 – Back A →

You May Also Like

7146 – Back B

February 19, 2025February 19, 2025 Master Builder

6357 – Back E

July 8, 2022July 12, 2022 Master Builder

6553 – Back C

December 4, 2023December 4, 2023 Master Builder

6552 – Back B

May 7, 2024May 11, 2024 Master Builder

6402 – Back B

October 5, 2019November 18, 2021 Master Builder

4707: Hagrid’s Hut

December 29, 2021December 29, 2021 Master Builder

EXPLORE MORE OFFICIAL SETS

Black Falcons Castle Castle Sets Daniel August Krentz Large Builds Official Sets

6073: Knight’s Castle

October 23, 2019July 29, 2023 Master Builder

Year Released: 1984Designer: Daniel August KrentzBricklinkInstructions

ABCs Aquanauts Aquazone Aquazone Sets Box Plus Official Sets Playscape/Play Stage Box Small Builds

1728 (6145): Crystal Crawler {with Aqua Playscape}

August 1, 2023March 22, 2025 Master Builder

Official Sets Pirates Pirates I Pirates Sets Very Small Builds

6232: Skeleton Crew

July 13, 2021July 13, 2021 Master Builder

Classic Space Classic Space Sets Different Box Versions Different Set Numbers Jens Nygaard Knudsen LL Link Medium Builds Official Sets Space

924 (487): Space Cruiser

January 25, 2022October 17, 2024 Master Builder

Basic Set Duplo Duplo Sets Official Sets Very Small Builds

2331: Barney The Skateboard Bear

December 29, 2021December 29, 2021 Master Builder

Classic Town Official Sets Race Small Builds Town Town Sets

6669: Diesel Daredevil

March 17, 2022March 17, 2022 Master Builder

Classic Town Medium Builds Official Sets Race Town Town Sets

6335: Indy Transport

November 29, 2023November 29, 2023 Master Builder

Official Sets Small Builds Town Town Sets

1496: Rally Car

October 20, 2019October 8, 2024 Master Builder

ABCs Black Falcons Castle Castle Sets Large Builds Official Sets

6062: Battering Ram

October 11, 2021July 31, 2023 Master Builder

Extreme Team Official Sets Small Builds Town Town Sets

2963: Extreme Racer

January 30, 2024January 30, 2024 Master Builder

Aquazone Aquazone Sets Box Plus Large Builds Official Sets Playscape/Play Stage Box Stingrays

6109: Sea Creeper {with Giant Ray}

January 19, 2022April 1, 2025 Master Builder

ABCs Classic Space Classic Space Sets Extra Large Builds Official Sets

6985: Cosmic Fleet Voyager

September 12, 2019August 16, 2023 Master Builder

Classic Town Construction Medium Builds Official Sets Town Town Sets

6481: Construction Crew

April 9, 2020July 4, 2022 Master Builder

Ice Planet 2002 Ice Planet 2002 Sets Jørn Thomsen Medium Builds Official Sets Space

6898: Ice-Sat V

June 8, 2020July 29, 2023 Master Builder

Classic Town Official Sets Police Town Town Sets Very Small Builds

600: Police Patrol

July 11, 2024July 11, 2024 Master Builder

Box Plus Harry Potter Harry Potter Sets Official Sets Playscape/Play Stage Box Small Builds Sorcerer's Stone

4723: Diagon Alley Shops

July 10, 2024October 8, 2024 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.