DIY Assembled Electric Track Ball Blocks Early Education Puzzle Children Building Blocks Toys(9922)

1. Material : Plastic
2. Size : 19 x 19 x 10 cm
3. Power : 2 x AAA batteries
4. Capacity development : Manual brain, grasping, intellectual development, crawling, vision, interest cultivation, sensory, emotional, auditory, other ability development, parent-child communication, hand-eye coordination, interactive toys
5. Building toy type : Nut combination toy