EiscoLabs Density Identification Cylinder Set of 12 with Wooden Holder

EISCO 12pc Cylindrical Bars Density ID Set - Hardwood, Softwood, Aluminum, Copper, Brass, Rubber, Nylon, Derlin, PVC, Glass, Acrylic & Teflon - Includes Storage Block - Study Density & Mass

United Scientific™ DCSET10 | Density Cube Set of 10 | Density Cubes for Science |Designed for use in The Classroom or Home | 1 Set

EISCO Density Cubes Set - Includes 6 Metals - Brass, Lead, Iron, Copper, Aluminum, Zinc - 0.4" (10mm) Sides - for use with Density, Specific Gravity Activities