Teaching aidsThis mathematical teaching aid is specifically designed to demonstrate the deduce of volume and surface area for Geometric Shapes, making mathematical concepts more intuitive and easy to understand Math Manipulatives For KidsThrough physical models, Geometric Solids helps students better understand and master the characteristics of geometric shapes, thereby improving their math learning outcomes MaterialThe Math Demonstrator is made from quality material that is suitable for use in both classroom or home environments EducationalThe process of deriving volume and surface area is clearly visible, which aids in cultivating students' logical thinking and problem solving abilities Gift: Math Geometry Manipulatives is a gift for kids ,it can help them learn and understand better Size Chart: 12cmx8cm/4.72inchx3.15inch Package Includes:1 Cone model 1Measuring cup Note: Please allow slightly errors 1-2cm differences due to manual measurement.