GGS-05 | Math class, shapes of coloured acrylic glass
GGS-05 | Math class A round case – 4 cylinders with distinct planes. The planes can be rotated in 3 of 4 shapes. Shapes of coloured acrylic glass. Geometrics set 5 (J3003-1a23, J3003-a11, J3003-1a13, J3003-1a12)