Sphere volume of a sphere divided group good

Dynamic geometrypack: 72pcs/setcolor :6 colors mixed size: (L):orange 5cm ,purple 7cm ,green 8.66cm ,              yellow 10cm ,blue 12.12cm ,red 14.14cm               each color 12pcs         (w) :0.8cm

Big size Geometricof  logic board; Rectangle: [big]-11.7x6.1x0.75 cm/ 11.7x6.1x0.25 cm ,                   [small]-7.5x3x0.75 cm/ 7.5x3x0.25 cmSquare: [big]-8.4x8.4x0.75 / 8.4x8.4x0.25 cm ,                 [small]- 4.8x4.8x0.75 cm/ 4.8x4.8x0.25 cmHexagonal: [big]-diagonal: 10.5x0.75 cm / 10.5x0.25 cm ,                [small]-diagonal: 6.9x0.75 cm / 6.9x0.25 cmTriangle: [big] - side length:12.6cm ,                [small] - side length: 7cmCircle: [big] - diameter:9.5 cm , [small] - diameter:5.4 cmTotal: 60 pcs / set 

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)

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

OH Square Geoboardsize: 23cmpack: 1 pc/set 121 pins, there's no pins on the other side