This Folding Geometric Shapes™ set is perfect for hands-on lessons in symmetry, perimeter, area, surface area and volume. Each shape folds flat to let children describe, build and compare shapes. Unique design also lets students identify, analyze and compose 3-D shapes. Set includes a cylinder, square pyramid, cube, rectangular prism, cone, hexagonal prism, triangular pyramid and triangular pyramid. Geometric shapes set is designed for children ages 7 and above. Subject Area: Mathematics; Specific Subject: Geometry & Measurements; Age Recommendation: Ages 7 and Up; Grades: Grades 2 to 6.