Middle triangle hollow board

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

Transparent logic link stickspack: 24pcs /setcolor : 6 colors  orange: 10cm , purple:14.14cm , green:17.32cm ,yellow :20cm ,blue :24.48cm,red : 28.28cm each color : 4pcs

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

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)

Tangram set (soft)pack: 35pcs / set          7 pcs / group 5 color ,red,yellow,blue,green,purple thickness:0.3cm

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