Age 3+) Perfect for hands-on learning and illustrative teaching of area, volume, surface area-nets, symmetry and perimeter. This 16-piece set includes 8 transparent shapes and 8 folding shapes. Shapes are 3’’ in height.
Age 3+) Perfect for hands-on learning and illustrative teaching of area, volume, surface area-nets, symmetry and perimeter. This 16-piece set includes 8 transparent shapes and 8 folding shapes. Shapes are 3’’ in height.
适合三岁或以上)此套装共有8个三吋高透明几何立方体以及8块可摺成不同几何形状立方体的咭纸，可用来教导面积、体积、表面积、对称和周界等概念。