Product information :
Material : Plastic/Plastic
Ability training: vision, hands-on brain, grasping, sensory, hand-eye coordination, other ability training, interactive toys, parent-child communication, interest training
Building Toy Type : Nut Set
3C configuration category: other toys under the age of 14
Color : Screw pair (20-23 pairs)

Packing list:
Nut combination toy*(20-23 pairs)