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

Airport Alternate Builds Classic Town Instructions Added Small Alt Build Small Builds Town Town Alternate Builds

6673 – Back A

April 20, 2025April 21, 2025 Master Builder 2718 Views

From: 6673: Solo Trainer
Name: Universal Trainer ¹
Instructions: View PDF

Contributions

Name and PDF submitted on April 20, 2025 by: KILDET

← 6900 – Back A
6673 – Back B →

You May Also Like

6018 – Back C

October 5, 2019September 24, 2024 Master Builder

Book 226 – Page 12-13

November 8, 2021November 11, 2021 Master Builder

7143 – Back A

September 2, 2025September 3, 2025 Master Builder

6892 – Back B

June 1, 2023March 14, 2025 Master Builder

6027: Bat Lord’s Catapult

January 28, 2022January 28, 2022 Master Builder

6982 – Back B

November 9, 2019November 9, 2019 Master Builder

EXPLORE MORE OFFICIAL SETS

Box Plus Castle Castle Sets Fright Knights Medium Builds Official Sets Playscape/Play Stage Box

6099: Traitor Transport {with Dragon Cave}

April 1, 2025April 1, 2025 Master Builder

Year Released: 1997BricklinkInstructions *This set is the same as 6047: Traitor Transport

Classic Space Classic Space Sets Official Sets Small Builds Space

6845: Cosmic Charger

January 14, 2025January 14, 2025 Master Builder

Classic Town Construction Official Sets Town Town Sets Very Small Builds

6630: Bucket Loader

October 13, 2021October 13, 2021 Master Builder

Classic Space Classic Space Sets Official Sets Very Small Builds

6809: XT-5 and Droid

April 4, 2020April 4, 2020 Master Builder

Classic Town Large Builds Official Sets Police Town Town Sets

6384: Police Station

December 28, 2021December 28, 2021 Master Builder

Castle Castle Sets Lion Knights Medium Builds Official Sets

6041: Armor Shop

September 25, 2024September 25, 2024 Master Builder

Adventurers Adventurers Sets Jungle Medium Builds Official Sets

5956: Expedition Balloon

August 31, 2024August 31, 2024 Master Builder

Castle Castle Sets Lion Knights Official Sets Small Builds

6010: Supply Wagon

July 13, 2021July 13, 2021 Master Builder

Classic Town Construction Medium Builds Official Sets Town Town Sets

6361: Mobile Crane

April 9, 2020April 9, 2020 Master Builder

Classic Town Official Sets Small Builds Town Town Sets Traffic

3442: Legoland California Truck Limited Edition

October 13, 2021October 13, 2021 Master Builder

9V Extra Large Builds Official Sets Town Train Train Sets

4561: Railway Express with Transformer and Speed Regulator

January 5, 2026January 5, 2026 Master Builder

Box Plus Cowboys Official Sets Playscape/Play Stage Box Small Builds Western Western Sets

6799: Showdown Canyon

August 1, 2023October 8, 2024 Master Builder

Drome Racers Official Sets Racers Small Builds

4593: Zero Hurricane & Red Blizzard

January 27, 2025February 21, 2025 Master Builder

Official Sets Town Town Sets Very Small Builds

6546: Slick Racer

May 23, 2022May 23, 2022 Master Builder

Castle Castle Sets Knights Kingdom II Large Builds Official Sets

8876: Scorpion Prison Cave

January 20, 2026January 20, 2026 Master Builder

Medium Builds Official Sets Technic Technic Sets

8024: Universal Set

October 20, 2019August 28, 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
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.