This set includes four carts of equal mass, each with wheels made from a different material: soft silicone, soft rubber, wood, and fabric. The free rolling wheels quantitatively demonstrate friction without slipping. Includes activity guide.
Technical Specifications:
Cart Dimensions: 5.25” x 2.125” x 1”
Well dimensions: 2.3” x 2” x 0.94”
- Approximate wheel dimensions: 1.9” long, 1.17” diameter
- Smooth rolling wheels
- Four different materials
- Includes activity guide