Concepts and Prototypes Archives - Back of the Box Builds

Space Skeletal Horse Concept

January 22, 2026January 22, 2026 Master Builder 6387 Views

MiscTheme: ? Excerpt from LEGO® Space: 1978-1992, Page 160, Interview with Bjarne Panduro Tveskov, “And I remember in 1991 we

ABCs Bjarne Tveskov Concepts and Prototypes Space Spectron

Spectron Concept

January 22, 2026January 23, 2026 Master Builder 6645 Views

MiscTheme: Spectron Excerpt from LEGO® Space: 1978-1992, Page 154, Interview with Bjarne Panduro Tveskov, “I did design a few of

Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Space Very Small Alt Build Very Small Builds

T42

March 9, 2025March 22, 2025 Master Builder 7308 Views

MiscBuild: T42 Instructions: View PDF | Download .io File Also Pictured: Blacktron Time Machine Bricks n Pieces: Spring 1988 – Page 4UK LEGO

Blacktron Blacktron Alternate Builds Captain Indigo Concepts and Prototypes Instructions Added LEGO Builders Club LEGO Magazine Small Alt Build Small Builds Space

Blacktron Time Machine

March 1, 2025March 22, 2025 Master Builder 6806 Views

MiscBuild: Blacktron Time Machine Instructions: View PDF | Download .io File Also pictured: T42 Bricks n Pieces: Spring 1988 – Page 4UK LEGO

ABCs Concepts and Prototypes Sea People Sea-Tron Space

Sea People

February 12, 2025February 12, 2025 Master Builder 6237 Views

MiscTheme: Seatron, Aquadome *Alternate Build Connection: Aquazone BrickJournal: Issue 6 Volume 2 – Page 43TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal

ABCs Concepts and Prototypes Sea People Sea-Tron Space

Aquadome

February 11, 2025February 18, 2025 Master Builder 6786 Views

MiscTheme: Seatron, Sea People *Alternate Build Connection: Aquazone, 6195: Neptune Discovery Lab (Aqua Dome 7), 6199: Hydro Crystalization Station LEGO®

Concepts and Prototypes Grey:tron Grøntrøn Space

Greytron

February 11, 2025February 11, 2025 Master Builder 8127 Views

MiscTheme: Greytron (Not Official) BrickJournal: Issue 6 Volume 2 – Page 42TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives LEGO®

Concepts and Prototypes LEGO Builders Club LEGO Magazine You Can Build This

Swinging On A Star

February 6, 2025March 22, 2025 Master Builder 6574 Views

MiscBuild: Would You Like to Swing on a StarSubmitted By: USERInstructions: Also pictured: Islander Mask Brick Kicks: Fall 1994 –

ABCs Adventurers Adventurers Alternate Builds Concepts and Prototypes Desert You Can Build This

Desert Buggy

February 6, 2025March 22, 2025 Master Builder 6435 Views

MiscBuild: Desert BuggySubmitted By: USERInstructions: *Alternate Build Connection: 5918: Scorpion Detector LEGO Mania Magazine: May-June 1998 – Page 7US LEGO

ABCs Concepts and Prototypes Futuron Futuron Alternate Builds LEGO Builders Club LEGO Magazine Space You Can Build This

Space Sunglasses

February 6, 2025March 22, 2025 Master Builder 6693 Views

MiscBuild: Space SunglassesSubmitted By: USERInstructions: *Alternate Build Connection: 6990: Futuron Monorail Transport System Brick Kicks: Fall 1989 – Page 7US LEGO

Concepts and Prototypes LEGO Builders Club LEGO Magazine

Marble Run

February 5, 2025March 22, 2025 Master Builder 6501 Views

MiscBuild: Marble RunSubmitted By: USERInstructions: Bricks n Pieces: Autumn 1987 – Page 10UK LEGO Club Magazine

ABCs Concepts and Prototypes Islanders LEGO Builders Club LEGO Magazine Pirates You Can Build This

Islander Mask

January 26, 2025March 22, 2025 Master Builder 6784 Views

MiscBuild: Islander MaskSubmitted By: USERInstructions: *Alternate Build Connection: Islanders Also pictured: Swinging On A Star Brick Kicks: Fall 1994 –

ABCs Aquazone Concepts and Prototypes LEGO Magazine You Can Build This

Aqua Rover

January 18, 2025December 31, 2025 Master Builder 6603 Views

MiscBuild: Aqua Rover (Inspired by Aqua Cat)Submitted By: USERInstructions: *Alternate Build Connection: 6150: Crystal Detector LEGO Mania Magazine: May-June 1998 –

Concepts and Prototypes M:Tron M:Tron Alternate Builds Space

M:Tron Prototypes

January 23, 2024February 12, 2025 Master Builder 9743 Views

MiscTheme: M:Tron, Rtron (Not Official) BrickJournal: Issue 6 Volume 2 – Page 40TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives BrickJournal:

Classic Space Classic Space Alternate Builds Concepts and Prototypes Space

Classic Space Moon Base Concept

January 1, 2024February 12, 2025 Master Builder 6745 Views

MiscTheme: Classic Space LEGO® Space: 1978-1992 – Page 156Published: 2023By: Tim JohnsonDark Horse Books Build: TBDSubmitted By: USERInstructions

Classic Space Classic Space Alternate Builds Concepts and Prototypes Space

Robot Prototypes

January 1, 2024February 11, 2025 Master Builder 6560 Views

MiscTheme: Classic Space LEGO® Space: 1978-1992 – Page 156Published: 2023By: Tim JohnsonDark Horse Books Build 1: Build: 2: Build 3:

Classic Space Classic Space Alternate Builds Concepts and Prototypes Space

Space Technic Concept

January 1, 2024February 11, 2025 Master Builder 6457 Views

MiscTheme: Space Technic LEGO® Space: 1978-1992 – Page 156Published: 2023By: Tim JohnsonDark Horse Books Build: TBDSubmitted By: USERInstructions

Concepts and Prototypes

LEGO® Space: 1978-1992

January 1, 2024January 23, 2024 Master Builder 4446 Views

MiscPublished: 2023By: Tim JohnsonDark Horse Books

Concepts and Prototypes Instructions Added Medium Alt Build Medium Builds R-TRON R:Tron Space

Rtron

August 14, 2023February 12, 2025 Master Builder 7597 Views

MiscTheme: Rtron (Not Official), M:Tron Prototypes BrickJournal: Issue 6 Volume 2 – Page 41TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO

Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space

BrickJournal Issue 6 Volume 2 Page 40 – Proto 2

June 24, 2023August 15, 2023 Master Builder 3989 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Name: M-Tron Transforming Vehicle Instructions: View PDF

Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space

BrickJournal Issue 6 Volume 2 Page 40 – Proto 1

June 24, 2023August 15, 2023 Master Builder 3933 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Name: M-Tron Walker Instructions: View PDF

Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space

BrickJournal Issue 6 Volume 2 Page 40 – Proto 5

June 22, 2023August 15, 2023 Master Builder 3593 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Name: M-Tron Powersuit #2 Instructions: View PDF

Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space

BrickJournal Issue 12 Page 77 – Proto 1

June 22, 2023August 15, 2023 Master Builder 3816 Views

BrickJournal Issue 12TwoMorrows PublishingPhoto credit the LEGO® Group and Mark Stafford Name: M-Tron Forklift Mecha Instructions: View PDF

ABCs Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space

BrickJournal Issue 6 Volume 2 Page 40 – Proto 4

June 21, 2023August 15, 2023 Master Builder 3872 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Name: M-Tron Powersuit Instructions: View PDF *Alternate Build Connection: 7703

ABCs Concepts and Prototypes Instructions Added M:Tron M:Tron Alternate Builds Small Alt Build Small Builds Space

BrickJournal Issue 6 Volume 2 Page 40 – Proto 3

June 21, 2023August 15, 2023 Master Builder 3752 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Name: M-Tron Crane Instructions: View PDF *Alternate Build Connection: 6352:

ABCs Classic Space Classic Space Alternate Builds Concepts and Prototypes Instructions Added Large Alt Build Space

Classic Space Remote Controlled Vehicle

May 26, 2023February 12, 2025 Master Builder 6340 Views

MiscTheme: Classic Space BrickJournal: Issue 6 Volume 2 – Page 39TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Name: Classic

ABCs Concepts and Prototypes Sea People Sea-Tron Space

Seatron

February 23, 2023February 12, 2025 Master Builder 6932 Views

MiscTheme: Seatron, Sea People, Aquadome *Alternate Build Connection: Aquazone BrickJournal: Issue 6 Volume 2 – Page 43TwoMorrows PublishingPhoto Credit: Niels

Concepts and Prototypes Sea People Sea-Tron Space

BrickJournal Issue 6 Volume 2 Page 43 – Proto 1

February 23, 2023August 15, 2023 Master Builder 5928 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives

Concepts and Prototypes Sea People Sea-Tron Space

BrickJournal Issue 6 Volume 2 Page 43 – Concept 1

February 23, 2023August 15, 2023 Master Builder 3602 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives

Concepts and Prototypes Space

Blacktron II Prototypes

February 23, 2023February 11, 2025 Master Builder 7138 Views

MiscTheme: Blacktron II BrickJournal Issue 6 Volume 2 – Page 42TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Build 1:

Concepts and Prototypes Grey:tron Grøntrøn Space

BrickJournal Issue 6 Volume 2 Page 42 – Concept 1

February 23, 2023August 15, 2023 Master Builder 3658 Views

BrickJournal Issue 6 Volume 2TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives

Concepts and Prototypes Space

Alien Prototype

February 23, 2023February 12, 2025 Master Builder 6838 Views

MiscTheme: Space BrickJournal: Issue 6 Volume 2 – Page 41TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Build: TBDSubmitted By:

Concepts and Prototypes Space Space Police I Space Police I Alternate Builds Space Police II Space Police II Alternate Builds

Space Police II Concept

February 23, 2023February 11, 2025 Master Builder 7466 Views

MiscTheme: Space Police II BrickJournal: Issue 6 Volume 2 – Page 39TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Build

ABCs Blacktron Blacktron Alternate Builds Blacktron II Blacktron II Alternate Builds Concepts and Prototypes Space

Blacktron Concept

February 23, 2023February 11, 2025 Master Builder 6974 Views

MiscTheme: Blacktron BrickJournal: Issue 6 Volume 2 – Page 39TwoMorrows PublishingPhoto Credit: Niels Milan Pedersen’s personal LEGO archives Build 1: TBDSubmitted

Concepts and Prototypes

BrickJournal Issue 6 Volume 2

February 23, 2023August 15, 2023 Master Builder 4564 Views

MiscPublished: Summer 2009TwoMorrows Publishing

Concepts and Prototypes

BrickJournal Issue 12

February 23, 2023August 15, 2023 Master Builder 3600 Views

MiscPublished: October 2010TwoMorrows Publishing