Sphere volume of a sphere divided group good

Big logical sorting ring setpack: 6pcs /setsize:  52cmcolor: 3 colors mixed 

3D Geo Solids green color setpack: 17 pcs / setsize: 5 cm17 shapes 

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

OX Puzzle set of box

15cm OH Circle Geoboard29 pins, there's no pins on the other side

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