Density Blocks With Hooks, Ideal For Studying Density., Each

Details:

Ull; set of 4 - aluminum, brass, copper, steel • 1.25" ( 3.2Cm) cubes • hooks includes: (1) set of density blocks this density cube set containts the follow metal cubes: aluminum, brass, copper, steel. 1.25" (3.2Cm) cubes. Hooks installed in each cube.