Translucent Color Blocks Set of 50The Constructive Playthings Translucent Color Blocks encourage kids to discover endless building possibilities and have fun while learning. The translucent plastic shapes are see through and can be paired with a light table for exploration of light, reflection, and color. This set can also be used for color mixing and experimentation. Arranging and stacking the the colored translucent blocks creates color mixing, helping children discover new colors