Ingenious models prove different geometric shapes hold the same volume. The set includes six clear plastic solids: cone, sphere, cylinder, cube, pyramid and rectangular prism. All shapes have openings for easy filling. Ages 8 to 13.
Six clear plastic containers in the shape of:

• Cone, 260mL

• Sphere, 490mL

• Cylinder, 800mL

• Cube, 1000mL

• Pyramid, 340mL

• Rectangle, 500mL