$106.00 (as of 12/01/2019 15:48 PST details )
Features:
- The Ball and Card Inertia Apparatus is a fun and educational tool to help students understand the effects of inertia.
- The ball is placed on top of an acrylic square, which is then placed on top of the post. A metal bar acts like a spring, which is pulled tight and then released, shooting the acrylic square out from under the ball. The ball will remain on the post
- Sold in a Case of 10