Power Solids - Set of 12 Plastic Volume Containers

This set of 12 translucent plastic geometric solids uses many of the standard dimensions of pattern blocks as each piece's base. Removable lids allow children to compare volume using wet or dry material. Includes six prisms (rectangular, square, cube, small triangular, large triangular and hexagonal), sphere, hemisphere, cylinder, cone, square pyramid and triangular pyramid. Measures 2"H each.