Skip to content
Back of the Box Builds

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
    • Train
    • Town
    • Universal Building Set
    • Western
    • More Sets
    • Misc
  • USEFUL LINKS
    • Submit Instructions!
    • New Instructions
    • New Official Sets
    • New Alternate Builds
    • Minifigs
    • Very Small Builds
    • Small Builds
    • Medium Builds
    • Large Builds
    • Extra Large Builds
    • How BOTBB was Built
  • THIS IS AN INDEPENDENT SITE NOT AUTHORIZED OR SPONSORED BY THE LEGO GROUP
Alternate Builds Instructions Added Medium Alt Build Medium Builds Train Train Alternate Builds 

7725 – Inside A

October 14, 2022August 1, 2023 Master Builder 4842 Views

From: 7725: Electric Passenger Train
Name: Steeplecab Shunter, Station & Signalbox 1
Instructions: View PDF | Download .io File

Contributions

  1. Name, PDF and .io file submitted on October 14, 2022 by: SDLgo9
  • ← 7725 – Back B
  • 6926 – Back A →

You May Also Like

1858 – Back B

July 8, 2022July 11, 2022 Master Builder

6055 – Bottom

October 1, 2024October 1, 2024 Master Builder

6926 – Back B

October 5, 2025October 11, 2025 Master Builder

Book 200 – Page 30-31

October 10, 2024February 4, 2025 Master Builder

6896 – Back C

February 3, 2022February 9, 2022 Master Builder

6665 – Back C

October 21, 2026October 23, 2026 Master Builder

EXPLORE MORE OFFICIAL SETS

6831: Message Decoder
Bjarne Tveskov Official Sets Space Space Police I Space Police I Sets Very Small Builds 

6831: Message Decoder

May 3, 2020July 29, 2023 Master Builder

Year Released: 1989Designer: Bjarne TveskovInstructionsBricklink

6097: Night Lord’s Castle
Box Story Castle Castle Sets Extra Large Builds Fright Knights Official Sets 

6097: Night Lord’s Castle

March 1, 2023March 17, 2025 Master Builder
6481: Construction Crew
Classic Town Construction Medium Builds Official Sets Town Town Sets 

6481: Construction Crew

April 9, 2020July 4, 2022 Master Builder
1630: Helicopter
Airport Classic Town Official Sets Town Town Sets Very Small Builds 

1630: Helicopter

April 8, 2025April 8, 2025 Master Builder
1597: Castle 3-Pack
Bonus/Value Pack Sets Bonus/Value Packs Official Sets Small Builds 

1597: Castle 3-Pack

July 22, 2024January 20, 2026 Master Builder
6416: Poolside Paradise
Medium Builds Official Sets Paradisa Town Town Sets 

6416: Poolside Paradise

June 28, 2022June 28, 2022 Master Builder
6012: Siege Cart
Castle Castle Sets Lion Knights Official Sets Small Builds 

6012: Siege Cart

September 24, 2024September 24, 2024 Master Builder
6765: Gold City Junction
Jørn Thomsen Large Builds Official Sets Western Western Sets 

6765: Gold City Junction

November 10, 2019July 29, 2023 Master Builder
7139: Ewok Attack
Episode IV/V/VI Official Sets Small Builds Star Wars Star Wars Sets 

7139: Ewok Attack

June 27, 2022February 24, 2023 Master Builder
4726: Quidditch Practice
Chamber of Secrets Harry Potter Harry Potter Sets Medium Builds Official Sets 

4726: Quidditch Practice

February 27, 2023February 27, 2023 Master Builder
6021: Jousting Knights
Castle Castle Sets Lion Knights Official Sets Very Small Builds 

6021: Jousting Knights

September 25, 2024September 25, 2024 Master Builder
6399: Airport Shuttle
Airport Classic Town Different Box Versions Extra Large Builds Official Sets Town Town Sets 

6399: Airport Shuttle

February 24, 2023March 17, 2024 Master Builder
6046: Hemlock Stronghold
Castle Castle Sets Dark Forest Medium Builds Official Sets 

6046: Hemlock Stronghold

November 18, 2021November 18, 2021 Master Builder
6276: Eldorado Fortress
Box Story Daniel August Krentz Extra Large Builds Imperial Soldiers Niels Milan Pedersen Official Sets Pirates Pirates I Pirates Sets 

6276: Eldorado Fortress

January 28, 2022April 3, 2024 Master Builder
1730: Snow Scooter
Classic Town Off-Road Official Sets Town Town Sets Very Small Builds 

1730: Snow Scooter

April 11, 2023April 11, 2023 Master Builder
6845: Cosmic Charger
Classic Space Classic Space Sets Official Sets Small Builds Space 

6845: Cosmic Charger

January 14, 2025January 14, 2025 Master Builder

BOXES

INSTRUCTIONS

FAVORITES

MINIFIGS

About This Site

Logo
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
  • Train
  • 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.