Supertek Density Identification Set, 12 Piece

This Density Identification Set consists of 12 half-inch cylinders of varying length and of differing materials. The set comes in an attractive and durable wood storage block. Challenge yourself or your students to identify each material based on its density or specific gravity. Materials included: Aluminum Brass Copper Glass Hard Rubber Delrin PVC Acrylic Teflon Nylon Poplar wood Oak wood    WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.