China Maths Teaching Aids Product Introduction Make simple combinations of geometric shapes, observe and analyze the characteristics and shapes of different geometric shapes, so that students can recognize and understand geometric shapes. Product Specification Model3050630406000201 ConstituteCubes (general and special), cubes, solid cylinders, hollow cylinders, cones (equal bases and equal heights, equal bases and unequal heights, equal heights and unequal bases), spheresCuboid, cube, cylinder, tube, cone, ball SizeCuboid: 80mm脳40mm脳20mm; Special cuboid: 40mm脳40mm脳25mm; Cube: 40mm脳40mm脳40mm; Solid cylinder: 桅40mm脳40mm; Outer diameter of hollow cylinder: 60mm, height 40mm; Three types of cones: 桅40mm脳30mm, 桅30mm脳40mm, 桅40mm脳40mm; Sphere: 桅20mm.Cuboid:140 mm 脳 100 mm 脳 60 mm, The edge of the cube is 100 mm long, Cylinder: 桅60 mm 脳 100 mm, The round tube has an outer diameter of 100 mm, an inner diameter of 61 mm, and a height of 100 mm, The bottom of the cone has a diameter of 60 mm and a height of 100 mm. Ball diameter 100 mm Product feature and application It is mainly used to recognize the use of geometric figures in the teaching of mathematics in lower grades. Maintenance and precautions 1. It is not advisable to hit and press for a long time to avoid deformation. 2. When using it, handle it with care to prevent it from breaking.China Maths Teaching Aids website:http://www.shenmateaching.com/....lab-equipment/maths-