DIY Hand-cranked Generator Science Creator Invention Material Kit Children Handmade Fun Toy Gift

1. Material: wood + electronic components
2. Applicable age: 3 years old and above
3. Safe material, durable and durable, children play more peace of mind
4. Improve children hands-on ability and spirit of exploration, suitable for school and home teaching
5. Combining toys and scientific principles, make science more simple and interesting, let children understand the principle of power generation
6. Training children practical ability, hand-eye coordination, exercise thinking, develop intelligence, inspire creativity, exploration of science
7. Size: about 16 x 9 x 12cm