This set comes with 14 smooth birch plywood disks. Each disk features a removable shape cutout. There are 7 mathematical shapes (circle, oval, semicircle, triangle, square, rectangle and hexagon) and 7 environmental shapes (mushroom, star, keyhole, crown, cross, flower and heart). Use these disks to practice sorting, matching, shape recognition, spatial reasoning and more. Help children explore the difference between regular and irregular shapes while using descriptive language, concentration, fine motor skills and critical thinking. Children can also use these shapes for drawing and tracing. They chunky and easy for small hands to manipulate. Made from quality birch plywood, these disks are designed to last for years of home or classroom use. The set also comes with a drawstring bag and an activity guide. For ages 12m+. Size of disks: 2.6"L x 0.5"H.