Description
1. DIY a variety of shapes assembled to help children divergent thinking, improve logical thinking
2. Environmentally friendly materials, safe and odorless
3. Smooth surface without burrs, no hand injury
4. Articulation compact, easy to plug, suitable for children's palms
5. Number of particles: 83
6. Material: ABS + electronic components
7. Power supply: 1 section of No. 5 batteries (batteries are not included)