MT-31 Trike (7694-1) is a Mars Mission LEGO set released in 2007 with 95 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Mars Mission sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 2 minifigures and 47 unique part types.
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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in MT-31 Trike
Parts in this set
47 parts · updating…
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Brick 2 x 43001 · ×1 · Light Bluish Gray -
Brick 2 x 62456 · ×1 · White -
Brick Special 1 x 1 with Headlight4070 · ×2 · Black -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/618843.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×4 · Trans-Dark Blue -
Cylinder 9 x 4 x 2 Tapered with Flat Bottom, Pin Holes58947 · ×1 · Trans-Orange -
Equipment Goblet / Glass2343 · ×2 · Black -
Equipment Martian Hypersled with Pin (Mars Mission)58843 · ×1 · White -
Hinge Brick 2 x 2 Locking with 2 Fingers Vertical and Axle Hole, 9 Teeth40902 · ×1 · Black -
Hinge Plate 1 x 2 Locking with 1 Finger on Side, with Groove44567a · ×1 · Light Bluish Gray -
Hinge Plate 1 x 4 Locking Dual 1 Finger44568 · ×1 · White -
Hose, Ribbed 7mm D. 4L / 3.2cm78c04 · ×2 · Black -
Lever Small Base with Black Lever298c02 · ×1 · Blue -
Plate 1 x 23023 · ×2 · Orange -
Plate 2 x 33021 · ×1 · Light Bluish Gray -
Plate 2 x 63795 · ×1 · White -
Plate 4 x 63032 · ×1 · Black -
![Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]](https://cdn.rebrickable.com/media/parts/elements/601926.jpg)
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip]6019 · ×2 · Black -
Plate Special 1 x 2 with 1 Stud without Groove (Jumper)3794a · ×2 · Dark Bluish Gray -
Rock 1 x 1 Jewel / Gem 24 Facet30153 · ×1 · Trans-Neon Green -
Slope 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×2 · Orange -
Sticker Sheet for Set 7694-159620 · ×1 · [No Color/Any Color] -
Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle)6553 · ×1 · Light Bluish Gray -
Technic Axle 123708 · ×2 · Black -
Technic Axle 43705 · ×2 · Black -
Technic Axle 63706 · ×3 · Black -
Technic Axle 83707 · ×2 · Black -
Technic Axle and Pin Connector Angled #5 - 112.5°32015 · ×4 · White -
Technic Axle and Pin Connector Angled #6 - 90°32014 · ×4 · Black -
![Technic Axle Connector Double Flexible [Rubber]](https://cdn.rebrickable.com/media/parts/elements/4198367.jpg)
Technic Axle Connector Double Flexible [Rubber]45590 · ×1 · Black -
Technic Axle Pin with Friction Ridges Lengthwise43093 · ×2 · Blue -
![Technic Brick 1 x 4 [3 Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/370101.jpg)
Technic Brick 1 x 4 [3 Pin Holes]3701 · ×2 · White -
![Technic Brick 1 x 8 [7 Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/370226.jpg)
Technic Brick 1 x 8 [7 Pin Holes]3702 · ×2 · Black -
Technic Bush3713 · ×2 · Light Bluish Gray -
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced32123b · ×5 · Light Bluish Gray -
Technic Disc 3 x 32723 · ×1 · Black -
Technic Pin 1/24274 · ×4 · Blue -
Technic Pin with Friction Ridges Lengthwise and Center Slots2780 · ×4 · Black -
Technic Pin without Friction Ridges Lengthwise3673 · ×2 · Light Bluish Gray -
Technic Steering Pulley Large3736 · ×2 · White -
Tile 1 x 2 with Groove3069b · ×2 · White -
Tile 1 x 6 with Groove6636 · ×1 · Black -
Tile Special 1 x 2 Grille with Bottom Groove2412b · ×2 · Orange -
Wedge Curved 6 x 2 Left, Inner Ridges41748 · ×1 · White -
Wedge Curved 6 x 2 Right, Inner Ridges41747 · ×1 · White -
Wedge Plate 3 x 6 Cut Corners2419 · ×1 · White -
Wheel Hard Plastic Large (54mm D. x 30mm)2515 · ×3 · Orange -
Windscreen 6 x 6 x 3 Canopy Half Sphere with Dual 2 Fingers50747 · ×1 · Trans-Orange