4D Master Maborun Amazing Gear Traps

Tetra-wheels Traps

- Small Marble-Run Game.

- Interesting Diy Science Toy.

- Trendily Colorful Design.

- Run By One Aaa Battery.

- Easy Assembly And No Glue Needed.

- Product Size : 137mm (L) X 110mm (W) X 113mm (H).