Hardwood shapes in 6 pairs which can be color matched, or turned over and matched by weight.

Price includes a set of 12 that has 6 different weights.

Each different colored-coded prism weighs a different amount – noticeable by lifting two together, one in each hand, to compare them.

Identical colored pairs weigh the same.

Children will be fascinated by them and can observe their similarities and differences using their sense of touch.

Ages 12 Months+