# LEGO 7694-1 — MT-31 Trike (2007)

Source: https://www.brickmissing.com/sets/7694-1-mt-31-trike
Publisher: BrickMissing (https://www.brickmissing.com) — free LEGO parts checker. Not affiliated with the LEGO Group.

Embark on a crucial Martian expedition with the LEGO Mars Mission MT-31 Trike (7694-1). This robust, all-terrain vehicle enables the Mars Mission team to efficiently transport energy crystals and securely move captured aliens across the treacherous surface. The MT-31 Trike features large, durable all-terrain wheels, specifically engineered for challenging Martian landscapes. A fully working suspension system, utilizing Technic pins and axles, effectively absorbs impacts, ensuring smooth traversal. Piloting the trike is a dedicated astronaut minifigure, ready for any extraterrestrial encounter. Accompanying the set is a glow-in-the-dark alien minifigure, adding a unique, eerie element to any Martian exploration display and enhancing play value for these deep space operations.

## Set facts

- Set number: 7694-1
- Name: MT-31 Trike
- Theme: Space › Mars Mission
- Released: 2007
- Pieces: 95
- Distinct part + colour lots: 47
- Build difficulty: easy
- Repairability: 6.4% of this set's lots are hard to replace (3 of 47 part+colour combinations appear in three or fewer sets in the entire LEGO catalog).

## Complete parts list (47 lots, 95 pieces)

Prices are the official LEGO Pick a Brick price per individual part, where LEGO publishes one.

| Qty | Part | Colour | Part no. | LEGO element ID | LEGO price each |
| ---: | --- | --- | --- | --- | --- |
| 2 | Equipment Goblet / Glass | Black | 2343 | 4106973 | — |
| 2 | Tile Special 1 x 2 Grille with Bottom Groove | Orange | 2412b | 4125254 | €0,06 |
| 1 | Wedge Plate 3 x 6 Cut Corners | White | 2419 | 241901 | €0,29 |
| 1 | Brick 2 x 6 | White | 2456 | 4181142 | €0,29 |
| 3 | Wheel Hard Plastic Large (54mm D. x 30mm) | Orange | 2515 | 4504602 | — |
| 1 | Technic Disc 3 x 3 | Black | 2723 | 4218868 | €0,21 |
| 4 | Technic Pin with Friction Ridges Lengthwise and Center Slots | Black | 2780 | 278026 | — |
| 1 | Lever Small Base with Black Lever | Black | 298c02 | 4118620 | — |
| 1 | Brick 2 x 4 | Light Bluish Gray | 3001 | 4211385 | €0,22 |
| 1 | Rock 1 x 1 Jewel / Gem 24 Facet | Trans-Neon Green | 30153 | 4114505 | — |
| 1 | Plate 2 x 3 | Light Bluish Gray | 3021 | 4211396 | €0,13 |
| 2 | Plate 1 x 2 | Orange | 3023 | 4177932 | €0,08 |
| 1 | Plate 4 x 6 | Black | 3032 | 303226 | €0,41 |
| 2 | Tile 1 x 2 with Groove | White | 3069b | 306901 | €0,07 |
| 4 | Technic Axle and Pin Connector Angled #6 - 90° | Black | 32014 | 6268905 | €0,22 |
| 4 | Technic Axle and Pin Connector Angled #5 - 112.5° | White | 32015 | 6271349 | €0,21 |
| 5 | Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced | Light Bluish Gray | 32123b | 6271165 | €0,04 |
| 2 | Technic Pin without Friction Ridges Lengthwise | Light Bluish Gray | 3673 | 4211807 | €0,05 |
| 2 | Technic Brick 1 x 4 [3 Pin Holes] | White | 3701 | 370101 | €0,17 |
| 2 | Technic Brick 1 x 8 [7 Pin Holes] | Black | 3702 | 370226 | €0,36 |
| 2 | Technic Axle 4 | Black | 3705 | 370526 | €0,08 |
| 3 | Technic Axle 6 | Black | 3706 | 370626 | €0,12 |
| 2 | Technic Axle 8 | Black | 3707 | 370726 | €0,22 |
| 2 | Technic Axle 12 | Black | 3708 | 370826 | €0,27 |
| 2 | Technic Bush | Light Bluish Gray | 3713 | 6275844 | €0,05 |
| 2 | Technic Steering Pulley Large | White | 3736 | 4160689 | — |
| 2 | Plate Special 1 x 2 with 1 Stud without Groove (Jumper) | Dark Gray | 3794a | 379427 | — |
| 1 | Plate 2 x 6 | White | 3795 | 379501 | €0,19 |
| 2 | Brick Special 1 x 1 with Headlight | Black | 4070 | 407026 | €0,07 |
| 1 | Hinge Brick 2 x 2 Locking with 2 Fingers Vertical and Axle Hole, 9 Teeth | Black | 40902 | 4162235 | — |
| 1 | Wedge Curved 6 x 2 Right, Inner Ridges | White | 41747 | 4160101 | — |
| 1 | Wedge Curved 6 x 2 Left, Inner Ridges | White | 41748 | 4160124 | €0,36 |
| 4 | Technic Pin 1/2 | Black | 4274 | 4143005 | €0,05 |
| 2 | Technic Axle Pin with Friction Ridges Lengthwise | Black | 43093 | 4206482 | €0,06 |
| 1 | Hinge Plate 1 x 2 Locking with 1 Finger on Side, with Groove | Light Bluish Gray | 44567a | 4211814 | — |
| 1 | Hinge Plate 1 x 4 Locking Dual 1 Finger | White | 44568 | 4193479 | — |
| 1 | Technic Axle Connector Double Flexible [Rubber] | Black | 45590 | 4198367 | €0,17 |
| 4 | Cone 1 x 1 [No Top Groove] | Trans-Dark Blue | 4589 | 618843 | — |
| 1 | Windscreen 6 x 6 x 3 Canopy Half Sphere with Dual 2 Fingers | Trans-Orange | 50747 | 4505156 | — |
| 2 | Slope 30° 1 x 1 x 2/3 (Cheese Slope) | Orange | 54200 | 4504371 | €0,06 |
| 1 | Equipment Martian Hypersled with Pin (Mars Mission) | White | 58843 | 4501924 | — |
| 1 | Cylinder 9 x 4 x 2 Tapered with Flat Bottom, Pin Holes | Trans-Orange | 58947 | 4502233 | — |
| 1 | Sticker Sheet for Set 7694-1 | Unknown | 59620 | 4506052 | — |
| 2 | Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] | Black | 6019 | 601926 | — |
| 1 | Technic Axle 1.5 with Perpendicular Axle Connector (Technic Pole Reverser Handle) | Light Bluish Gray | 6553 | 4211536 | €0,19 |
| 1 | Tile 1 x 6 with Groove | Black | 6636 | 663626 | €0,13 |
| 2 | Hose, Ribbed 7mm D. 4L / 3.2cm | Black | 78c04 | 4112862 | — |

## Notes

- Track which of these parts you own and see what is missing: https://www.brickmissing.com/sets/7694-1-mt-31-trike
- Inventory data is based on official LEGO inventories via the Rebrickable catalog, updated daily.
- Part images, minifigure lists and related sets are on the set page: https://www.brickmissing.com/sets/7694-1-mt-31-trike