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 understandMath Manipulatives For KidsThrough physical models, Geometric Solids helps students better understand and master the characteristics of geometric shapes, thereby improving their math learning outcomesMaterialThe Math Demonstrator is made from quality material that is suitable for use in both classroom or home environmentsEducationalThe process of deriving volume and surface area is clearly visible, which aids in cultivating students' logical thinking and problem solving abilitiesGift: Math Geometry Manipulatives is a gift for kids ,it can help them learn and understand better Size Chart: 12cmx8cm/4.72inchx3.15inch Package Includes: 1Cylinder model Note: Please allow slightly errors 1-2cm differences due to manual measurement.