Middle triangle hollow board

Sphere volume of a sphere divided group goodsize:11x11x11cm / 105g / 157.3g

3D Geo Solids blue cover setpack: 17 pcs / setsize:5cm 17 shapes 

17 shapes  3D Geo Solids set(10cm, 4 color);  Rectangle[red]:10.3x10.3x5.3(cm) ; Square: [yellow]5.3x5.3x5.3(cm) ;Cylinder: [red]10.4π,height10.3(cm);Triangular Pyramid:[green-small]-side length:5.4, height:10.3(cm); Circle:[red]diameter10π, height10(cm); Square[red]10.4x10.4x10.4(cm);Pentagonal Prism[blue](Note 1)height:11.6 diagonal length:9.5(cm); Hexagonal Prism[green]height:11.7diagonal length:10.4(cm);Pentagonal Prism[blue]height:10.3 diagonal length:9.4(cm);  Cone[blue]10.5π11.4(cm); Triangular Pyramid[green-big]length:10.5height:10.3(cm); Pyramid-shaped:length/height12.6bottom10.5(cm);  Rectangle[yellow]:10.5x5.3x10.3(cm); Hexagonal: [yellow]diameter5.3πheight10.3(cm); Half Cylinder[yellow]diameter10π,height4.3(cm)

Melon Gamepack : 9pcs / box square out size:125 mm  number  1~9 /  9pcs different puzzle shape

12.5cm 6 colors 6pcs / setGeoboard 5X5 pins, the other side circle diameter is 10cm with 17 pins size:12.5x12.5x1.8cm, accessories : 6 rubber band /set

OH Rhombus Geometric Geoboardsize: 23cmpack: 1 pc/ set137 pins, there's no pins on the other side