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

Kidnappers Of Swamp Planet

Year Released: 1981
Bricklink

Idea Books

Book 7777 – Cover (Instructions Added!)

Book 7777 – Page 2-3

Book 7777 – Page 4-5

Book 7777 – Page 6-7

Book 7777 – Page 8-9 (Instructions Added!)

Book 7777 – Page 10-11

Book 7777 – Page 12-13

Book 7777 – Page 14-15

Book 7777 – Page 16-17

Book 7777 – Page 18-19

Book 7777 – Page 20-21

Book 7777 – Page 22-23 (Instructions Added!)

Book 7777 – Page 24-25

Book 7777 – Page 26-27

Book 7777 – Page 28-29

Book 7777 – Page 30-31 (Instructions Added!)

Book 7777 – Page 32-33

Book 7777 – Page 34-35

Book 7777 – Page 36-37

Book 7777 – Page 38-39

Book 7777 – Page 40-41

Book 7777 – Page 42-43 (Instructions Added!)

Book 7777 – Page 44-45

Book 7777 – Page 46-47

Book 7777 – Page 48-49 (Instructions Added!)

Book 7777 – Page 50-51

Book 7777 – Page 52-53

Book 7777 – Page 54-55

Book 7777 – Page 56-57 (Instructions Added!)

Book 7777 – Page 58-59

Book 7777 – Page 60-61

Book 7777 – Page 62-63

Book 7777 – Page 64-65

Book 7777 – Page 66-67

Book 7777 – Page 68-69

Book 7777 – Page 70-71

Book 7777 – Page 72-73

Book 7777 – Page 74-75

Book 7777 – Page 76-77

Book 7777 – Page 78-79

Book 7777 – Page 80-81

Book 7777 – Page 82-83

EXPLORE MORE OFFICIAL SETS

7780: The Batboat: Hunt for Killer Croc
Batman I BATMAN™ BATMAN™ Sets Medium Builds Official Sets 

7780: The Batboat: Hunt for Killer Croc

March 27, 2026March 27, 2026 Master Builder

Year Released: 2006BricklinkInstructions

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
6953: Cosmic Laser Launcher
Bjarne Tveskov Futron Sets Futuron Medium Builds Official Sets Space 

6953: Cosmic Laser Launcher

February 3, 2021July 29, 2023 Master Builder
7133: Bounty Hunter Pursuit
Episode II Large Builds Official Sets Star Wars Star Wars Sets 

7133: Bounty Hunter Pursuit

July 14, 2021July 14, 2021 Master Builder
6852: Sonar Security
Jørn Thomsen Official Sets Small Builds Space Space Police II Space Police II Sets 

6852: Sonar Security

September 22, 2020July 29, 2023 Master Builder
1978-2: Town Value Pack
Bonus/Value Pack Sets Bonus/Value Packs Official Sets Race Small Builds Town 

1978-2: Town Value Pack

October 10, 2024October 10, 2024 Master Builder
6419: Rolling Acres Ranch
Large Builds Official Sets Paradisa Town Town Sets 

6419: Rolling Acres Ranch

August 10, 2026August 10, 2026 Master Builder
6236: King Kahuka
Islanders Official Sets Pirates Pirates I Pirates Sets Small Builds 

6236: King Kahuka

December 28, 2021December 28, 2021 Master Builder
6340: Hook & Ladder
Classic Town Fire Medium Builds Official Sets Town Town Sets 

6340: Hook & Ladder

December 29, 2021December 29, 2021 Master Builder
6396: International Jetport
Airport Classic Town Extra Large Builds Official Sets Town Town Sets 

6396: International Jetport

July 14, 2021July 14, 2021 Master Builder
6487: Mountain Rescue
Official Sets Outback Small Builds Town Town Sets 

6487: Mountain Rescue

July 25, 2022July 25, 2022 Master Builder
510: Basic Building Set
Basic Official Sets Small Builds Universal Building Set 

510: Basic Building Set

July 11, 2024July 11, 2024 Master Builder
385: Jeep CJ-5
LEGOLAND Official Sets Small Builds Vehicles 

385: Jeep CJ-5

October 26, 2026October 26, 2026 Master Builder
7043: Firefighter
Fire Official Sets Small Builds Town Town Sets World City 

7043: Firefighter

January 22, 2024January 22, 2024 Master Builder
6470: Mini-dumper
Construction Official Sets Town Town Jr Town Sets Very Small Builds 

6470: Mini-dumper

July 10, 2026July 10, 2026 Master Builder
7301 (1413, 7309, Kabaya: Life On Mars 4): Rover
Life on Mars Life on Mars Sets Official Sets Very Small Builds 

7301 (1413, 7309, Kabaya: Life On Mars 4): Rover

February 24, 2025February 25, 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.