<ul><li>Volume ratio demonstrator-- intuitive and specific, it is conductive to help students understand and learn</li><li>Teaching equipment-- visually demonstrate the volume ratio relationship between cone and cylinder</li><li>Teaching tools-- perfectly the cone volume formula to students' understanding of the volume formula of these two types of geometric bodies</li><li>Geometric model-- suitable for exploring geometry, volume, and relationships among shape, size and volume</li><li>Plastic models-- very great for kids aging from 9-12</li></ul><br><br>

Healifty 2 pcs Graduated Cylinder Cone Volume Ratio Demonstrator Transparent Geometric Teaching Tools for Math Education Ideal for Classroom Use and Demonstrations