Description: 【Geometric Solids】: This 3D geometric solids include 8 different geometric models that provide an intuitive way to understand the structure of geometry, and study the concepts of area and volume 【Math Geometry Manipulatives】: The geometry solids include square pyramid, regular triangular prism, cylinder, cone, rectangular prism, cube, triangular pyramid and hexagonal prism 【Learning Toys】: These detachable and folding geometric shapes allow students to analyze and learn about the 3D shapes and 2D properties of geometry clearly, enhancing the learning effect 【Premium Material】: The geometric learning toys are made from premium plastic and paper materials, lightweight, not easy to break and ensure a long time to use 【Wide Applications】: The kids geometric solids volume surface area demonstrator set is great for teacher aid, math helper and back to school supplies. Suitable for preschool, kindergarten, elementary school, etc Specification: Material: Plastic, Paper Size Chart: Square Pyramid: 5cmx6cm/1.97inchx2.36inch Regular Triangular Prism: 5cmx5cm/1.97inchx1.97inch Cylinder: 5cmx5cm/1.97inchx1.97inch Cone: 5cmx5.7cm/1.97inchx2.24inch Rectangular Prism: 3cmx3.8cmx5cm/1.18inchx1.50inchx1.97inch Cube: 5cmx5cm/1.97inchx1.97inch Triangular Pyramid: 5cmx5.7cm/1.97inchx2.24inch Hexagonal Prism: 2.5cmx5cm/0.98inchx1.97inch Package Includes: 8 Geometric Solids Note: 1.This is not infant toy, please take away from children to avoid eating. 2.Please allow slightly errors due to manual measurement and different monitors.