Skip to content
Back of the Box Builds

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
    • Contribute!
    • New Instructions
    • New Official Sets
    • New Alternate Builds
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
    • About
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP
Alternate Builds Classic Space Classic Space Alternate Builds Instructions Added Very Small Alt Build Very Small Builds 

6841 – Back D

October 3, 2019October 25, 2021 Master Builder 1630 Views

From: 6841: Mineral Detector
Name: TBD
Submitted by: matt_0937
Instructions: View PDF | Download .io File

  • ← 6841 – Back C
  • 6878: Sub Orbital Guardian →

You May Also Like

6820 – Back A

January 12, 2021January 12, 2021 Master Builder

2331: Barney The Skateboard Bear

December 29, 2021December 29, 2021 Master Builder

6087 – Back B

July 8, 2022 Master Builder

6951 – Back C

September 21, 2019October 25, 2021 Master Builder

6876 – Back B

November 16, 2019January 10, 2022 Master Builder

1580 – Back A

July 12, 2021July 12, 2021 Master Builder

EXPLORE MORE OFFICIAL SETS

6155: Deep Sea Predator
Aquashark Aquazone Aquazone Sets Official Sets Small Builds 

6155: Deep Sea Predator

May 10, 2022May 10, 2022 Master Builder

Year Released: 1995BricklinkInstructions

6198: Stingray Stormer
Aquazone Aquazone Sets Large Builds Official Sets Stingrays 

6198: Stingray Stormer

October 29, 2019April 4, 2020 Master Builder
920 (483): Alpha-1 Rocket Base
Classic Space Classic Space Sets Medium Builds Official Sets Space 

920 (483): Alpha-1 Rocket Base

February 2, 2021October 13, 2021 Master Builder
2151: Robo Raider
Medium Builds Official Sets RoboForce RoboForce Alternate Builds RoboForce Sets Space 

2151: Robo Raider

January 14, 2021January 14, 2021 Master Builder
4583: Maverick Strom
Official Sets Very Small Builds 

4583: Maverick Strom

October 22, 2021October 23, 2021 Master Builder
6929: Starfleet Voyager
Classic Space Classic Space Sets Large Builds Official Sets 

6929: Starfleet Voyager

September 22, 2019September 28, 2019 Master Builder
1628: Santa on Sleigh with Reindeer
Holiday and Event Holiday and Event Sets Official Sets Small Builds 

1628: Santa on Sleigh with Reindeer

November 25, 2020November 25, 2020 Master Builder
6685: Fire Copter 1
Classic Town Fire Official Sets Small Builds Town Town Sets 

6685: Fire Copter 1

October 13, 2021October 13, 2021 Master Builder
6351: Surf N’ Sail Camper
Classic Town Medium Builds Official Sets Recreation Town Town Sets 

6351: Surf N’ Sail Camper

July 14, 2021July 14, 2021 Master Builder
6035: Castle Guard
Black Falcons Castle Castle Sets Official Sets Small Builds 

6035: Castle Guard

December 27, 2021December 27, 2021 Master Builder
6380: Emergency Treatment Center (St. Mary’s Hospital)
Classic Town Hospital Large Builds Official Sets Town Town Sets 

6380: Emergency Treatment Center (St. Mary’s Hospital)

July 15, 2022July 15, 2022 Master Builder
6341: Gas N’ Go Flyer
Airport Classic Town Official Sets Small Builds Town Town Sets 

6341: Gas N’ Go Flyer

December 27, 2021December 27, 2021 Master Builder
1750: Renault Formula 1 Racer
Classic Town Official Sets Race Town Town Sets Very Small Builds 

1750: Renault Formula 1 Racer

July 13, 2021July 13, 2021 Master Builder
7139: Ewok Attack
Episode IV/V/VI Official Sets Small Builds Star Wars Star Wars Sets 

7139: Ewok Attack

June 27, 2022June 27, 2022 Master Builder
1896: Trauma Team
Classic Town Hospital Large Builds Official Sets Town Town Sets 

1896: Trauma Team

April 4, 2022April 4, 2022 Master Builder
6561: Hot Rod Club
Medium Builds Official Sets Town Town Sets 

6561: Hot Rod Club

November 10, 2019November 10, 2019 Master Builder

BUILD!

MINIFIGS

About This Site

Logo
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.