Gravitrax: Looping Expansion Pack
Send your marbles for a loop with the Gravitrax Looping Expansion Pack. How much momentum does the ball need to complete the loop? Build and rebuild to find the answer!
- Adjustable Looping accessory piece
- 6 x Additional tracks (Various lengths)
- Compatable with Gravitrax Starter Set and all Expansion sets
- 7.5 x 7.5 x 1.9 inches
- 5.6 ounces