Friction Blocks and Surface Set

For introducing the concept that friction depends on the nature and smoothness of materials. The kit consists of three wooden blocks, L x W, 100mm x 70mm, with hooks. One with a highly polished side, second with a sandpaper side and third with an aluminum side. Complete with a polished wooden base about, L x W, 355mm x 70mm. Instructions included.

Unit of Sale : Each