3 years & up. These exciting Multipurpose Multicolor Wooden Geometric Shapes for Crafting are a great, unique addition to art projects. Decorate picture frames, paintings, lunch boxes, or even books. These shapes can also be used as counters or for sorting activities. Encourage your children to identify the colors and shapes of the pieces they use. The pieces measure from .5" to 2" and are .063" thick. Set includes 200 pieces.