Track Marshal (8121): parts list and STL files
Set 8121, Track Marshal, from 2009, has 48 pieces in 29 kinds of part and colour. Here is every part, with the ones you can 3D print at home and the ones to buy.
Get the free print filesFree: an STL file for every part you can print, the parts list and a BrickLink shopping list for the rest. Pro adds print-ready plates for a 256 mm bed and our printing guide. About ProYour Pro includes the print-ready plates.
Need filament? Find PLA on Amazon. We may earn a commission if you buy.
See the finished set (photo) on Rebrickable ↗
Buy the real set on Amazon ↗ We may earn a commission if you buy.
31 to print, 17 to buy, 3 spares. Print: plain bricks, plates and beams you can make on a home 3D printer. Buy: clear, printed, rubber, electric and very thin parts, which are better ordered. Spares are the extras in the box.
Every part in set 8121
| Colour | Part | Qty | Print or buy |
|---|---|---|---|
| White | 3710 Plate 1 x 4 | 5 | |
| Black | 3020 Plate 2 x 4 | 3 | |
| Black | 2436 Bracket 1 x 2 - 1 x 4 [Square Corners] | 2 | |
| White | 3010 Brick 1 x 4 | 2 | |
| White | 3069b Tile 1 x 2 with Groove | 2 | |
| White | 4070 Brick Special 1 x 1 with Headlight | 2 | |
| Black | 61068 Brick Curved 2 x 4 x 2/3 No Studs [No Bottom Tubes] | 2 | |
| Black | 6141 Plate Round 1 x 1 with Solid Stud | 2 | |
| Black | 6157 Plate Special 2 x 2 with Wheels Holder Wide | 2 | |
| Black | 2412b Tile Special 1 x 2 Grille with Bottom Groove | 1 | |
| White | 2431 Tile 1 x 4 with Groove | 1 | |
| White | 2436 Bracket 1 x 2 - 1 x 4 [Square Corners] | 1 | |
| White | 3020 Plate 2 x 4 | 1 | |
| White | 3023 Plate 1 x 2 | 1 | |
| Black | 3031 Plate 4 x 4 | 1 | |
| White | 3068b Tile 2 x 2 with Groove | 1 | |
| White | 32028 Plate Special 1 x 2 with Door Rail | 1 | |
| White | 3795 Plate 2 x 6 | 1 | |
| Black | 6141 Plate Round 1 x 1 with Solid Stud | 1 spare | |
| Black | 50944pr0001 Wheel 11 x 6 mm with Five Spokes and Silver Print | 4 | Buy |
| Black | 50951 Tyre 14 x 6 Solid Smooth | 4 | Buy |
| Trans-Orange | 3069b Tile 1 x 2 with Groove | 2 | Buy |
| Trans-Orange | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 2 | Buy |
| Trans-Red | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 2 | Buy |
| White | 3788 Wheel Arch, Mudguard 2 x 4 Studded | 1 | Buy |
| White | 44674 Mudguard 2 x 4 with Molded Headlights | 1 | Buy |
| [No Color/Any Color] | 64971 Sticker Sheet for Set 8121-1 | 1 | Buy |
| Trans-Red | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 1 spare | Buy |
| Trans-Orange | 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) | 1 spare | Buy |
Print set 8121 at home
The set tool makes an STL file for each of the 31 printable pieces, sorted by colour, plus a shopping list for the 17 to buy. Free, no account, and it runs on your own phone or computer.
Get the free print filesPro adds print-ready plates for a 256 mm bed. About Pro
Parts data: Rebrickable, and it can differ slightly from your box. Part shapes: LDraw Parts Library (CC BY 4.0). Browse all sets. Independent project, not sponsored, authorised or endorsed by any brick company.