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LEGO → System → Space → Mars Mission
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"The Trike's got an amazing power system. One crystal will keep it going for days, and thanks to those big wheels and that suspension system, it zooms at max-speed over any surface you can name."
―Unknown astronaut

7694 MT-31 Trike is a Mars Mission set released in 2007. The set included a space vehicle, and two minifigures. Description This is a description taken from Please do not modify it.

Explore any terrain!

The Mars Mission team can transport energy crystals and captured aliens anywhere across the Martian surface with the all-terrain MT-31 Trike vehicle with working suspension system!

  • Includes astronaut minifigure and glow-in-the-dark alien minifigure!
  • Trike has all terrain wheels and suspension!


  • Due to the similar design, part count, and name, this set could be considered the spiritual successor or remake of 7312 T3-Trike, released in 2001 as part of the Life on Mars theme which was also set on Mars.
  • In the LEGO Club Magazine, it is described as having "Cable-Reinforced All-Terrain Tires", a "Vulcan-5 High-Tension Motor Coil" and "Omni-Torque Suspension System.
  • The pilot of the Trike has the same head as Specs from Dino Attack.
  • By a large margin, the MT-31 Trike was the most inexpensive Mars Mission Lego set that came with a fully-equipped alien containment chamber.

Minifigures Included


External links