- Demonstration of two dimensional elastic collision.
- Controlled release mechanism of advancing marble.
- Adjustable base for static marble.
- Includes string with weight for accurate zero point of falling.
- The angle and the distance of the collision marble can be adjusted.
Made from special durable Poletylan material- 3 layers- yellow, black, yellow
Width 20 cm
Length 55 cm
Height 17.5 cm
Weight 0.45 kg