In an effort to increase interactivity, LEGO introduced magnets in the next Space theme, M:Tron, who took over the "civilian" role of the Futuron space races. Vehicles in this set, distinctive for their red hulls, gray trim and neon-green canopies, are devoted primarily to mining out precious ores. They often featured crane-like attachments with magnets for picking up small cargo and storage boxes. These boxes, unfortunately, were generally not interchangeable.
M:Tron was the first major Space theme that did not include a base of any kind; all sets were vehicles.
M:Tron was also the last space theme to carry the LEGOLAND banner. LEGO System was the name used starting in 1992.
The most popular sets included the Stellar Recon Voyager and Mega Core Magnetizer. The Mega Core Magnetizer was the M:Tron's mobile base, that served as a home, repair station, and launching/landing center.
Red and black bricks is what defined the M:Tron. The transparent windshields and windows were trans-neon green.
M:Tron was the first theme to use magnets in their sets to hold containers, vehicles and parts together.
The minifigures shared the exact same uniform - white legs, red torso with an M logo, white arms, and a black helmet with trans-neon green visor. The M:Tron also had robots, most notably in the Particle Ioniser.
Many of the spaceships and vehicles carried smaller land or air based craft. Mainly of the four wheeled vehicles had a magnet on it to allow for attachment and pickup with a bigger M:Tron spaceship or vehicle.
The M:Tron, along with the Blacktron, showed weapons only in the form of vehicle based or the "loud-hailer" utensil parts.
The M:Tron were depicted as a civilian nomadic style of minifigs searching for the trans-neon green 1x1 rounds. The M:Tron were fairly peaceful except when encountering their opposite the Blacktron Future Generation theme as depicted in this 1991 catalog picture.
|Image||Item number||Set||Number of pieces||Minifigures||Price||Release|
|1478||Mobile Satellite Up-Link||31||M-Tron Astronaut||1991|
|6704||Space Mini Figures||44||Blacktron Astronaut, Blacktron Future Generation Astronaut (2), Space Police I Officer, M-Tron Jetpack Astronaut, M-Tron Astronaut||1991|
|6811||Pulsar Charger||25||M-Tron Astronaut||$3.00||1990|
|6833||Beacon Tracer||38||M-Tron Astronaut||$3.00||1990|
|6862||Secret Space Voyager||300||M-Tron Astronaut (x3)||1991|
|6877||Vector Detector||62||M-Tron Astronaut||1990|
|6896||Celestial Forager||87||M-Tron Astronaut||1990|
|6923||Particle Ionizer||187||M-Tron Astronaut, M-Tron Robot||$24.00||1990|
|6956||Stellar Recon Voyager||221||M-Tron Astronaut(x2)||$36.00||1990|
|6989||Mega Core Magnetizer||486||M-Tron Astronaut (x3)||$59.99||1990|
|M-Tron||Pocket Clip||10||M-Tron Astronaut||$5.99||1991|
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