Skip to content

Back of the Box Builds

LEGO Alternate Builds!

SETS
- Adventurers
- Aquazone
- Belville
- Building Set with People
- Castle
- Duplo
- Harry Potter
- Holiday and Event
- LEGOLAND
- Model Team
- Ninja
- Pirates
- Rock Raiders
- Space
- Star Wars
- Studios
- Technic
- Time Cruisers
- Town
- Universal Building Set
- 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 Space Very Small Alt Build Very Small Builds

6851 – Back A

October 24, 2019October 25, 2021 Master Builder 1840 Views

From: 6851: Tri-Wheeled Tyrax
Name: Reverse Tyrax ¹
Instructions: View PDF | Download .io File

Contributions

Name, PDF, and .io file submitted on May 17, 2021 by: IceAge2002

← 6851: Tri-Wheeled Tyrax
6851 – Back B →

You May Also Like

6360 – Back D

October 19, 2019October 25, 2021 Master Builder

6818: Cyborg Scout

July 18, 2022July 18, 2022 Master Builder

6548 – Back A

October 12, 2021October 12, 2021 Master Builder

6893 – Back A

September 25, 2019September 28, 2019 Master Builder

6970 – Back C

January 20, 2021October 25, 2021 Master Builder

6877: Vector Detector

June 7, 2021June 7, 2021 Master Builder

EXPLORE MORE OFFICIAL SETS

Large Builds Official Sets Space Space Police I Space Police I Sets

6781: SP-Striker

April 19, 2021November 18, 2021 Master Builder

Year Released: 1989InstructionsBricklink

Black Knights Castle Castle Sets Official Sets Small Builds

1491: Dual Defender

October 11, 2021October 11, 2021 Master Builder

Classic Space Classic Space Sets Large Builds Official Sets Space

1593: Super Model

February 3, 2021February 3, 2021 Master Builder

Classic Town Official Sets Police Town Town Sets Very Small Builds

6506: Precinct Cruiser

July 12, 2021July 12, 2021 Master Builder

Castle Castle Sets Dragon Knights Large Builds Official Sets

6082: Fire Breathing Fortress

January 13, 2022January 13, 2022 Master Builder

Blacktron II Blacktron II Sets Official Sets Very Small Builds

6851: Tri-Wheeled Tyrax

October 24, 2019May 14, 2020 Master Builder

Castle Castle Alternate Builds Instructions Added Official Sets Royal Knights Small Alt Build Small Builds Space Spyrius Spyrius Sets Value Packs

1843 – Side L

January 22, 2021October 25, 2021 Master Builder

Islanders Medium Builds Official Sets Pirates Pirates I Pirates Sets

6264: Forbidden Cove

July 1, 2022July 1, 2022 Master Builder

Official Sets Pirates Pirates I Pirates Sets Small Builds

6260: Shipwreck Island

April 9, 2020July 8, 2022 Master Builder

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

6852: Sonar Security

September 22, 2020September 22, 2020 Master Builder

Exploriens Exploriens Sets Medium Builds Official Sets Space

6899: Nebula Outpost

January 25, 2022January 25, 2022 Master Builder

Extra Large Builds M:Tron M:Tron Sets Official Sets

6989: Mega Core Magnetizer

September 15, 2019September 28, 2019 Master Builder

Official Sets Race Town Town Sets Very Small Builds

6528: Sand Storm Racer

July 8, 2022July 8, 2022 Master Builder

Official Sets Rock Raiders Rock Raiders Sets Small Builds

4940: Granite Grinder

April 4, 2020April 4, 2020 Master Builder

Classic Space Classic Space Sets Official Sets Space Very Small Builds

6806: Surface Hopper

April 16, 2021April 16, 2021 Master Builder

Episode I Medium Builds Official Sets Star Wars Star Wars Sets

7141: Naboo Fighter

December 29, 2021December 29, 2021 Master Builder

BUILD!

MINIFIGS

About This Site

There were once 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.

Sets

Adventurers
Aquazone
Belville
Building Set with People
Castle
Duplo
Harry Potter
Holiday and Event
LEGOLAND
Model Team
Ninja
Pirates
Rock Raiders
Space
Star Wars
Studio
Technic
Time Cruisers
Town
Universal Building Set
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 © 2023 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.