Prostuff 3D Spherical Kernel Puzzel Ball(21 Pieces)

This highly innovative puzzle is great gift for your growing child. The puzzle is made of high quality plastic parts of concentric spheres and you solve the dismantled puzzle by matching sphere parts and progressively complete the 4 layered sphere. This mind bender improves cognitive and observational skills and helps child improve concentration and problem solving skills. This 21 pieces puzzle is suitable for kids above 6 years.