Color Mixing Lenses - Set of 3

2 years & up. Children will enjoy seeing their world through a different light. They can experiment with one or all of the color lenses to determine if it changes the way they see things. Place the interchangeable, primary-color lenses into the frame to create secondary colors and hours of sensory fun! The set of 3 include sturdy lens frames (with 3 slots) and 3 colored lenses (red, yellow, blue) for each.