This set has 105 colorful plastic geometric shapes combined to create larger shapes and pictures. It is used to develop skills in pattern recognition, comparing shapes, problem solving, and visualization. It also develops spatial intelligence and fine motor skills. There are endless possibilities for open-ended creative play.Details:Visual and hands-on math learningDurable plastic for long-term use and easy cleaningFor ages 4 and upContents:1 plastic storage box5 activity cards15 tangrams105 tangram pieces