1. Using high-quality plastic accessories, specially designed for scientific experiments, multi-functional, expandable, safe and environmentally friendly materials without peculiar smell.

2. High-quality natural wood is used as the main structural material of the model. Environmentally friendly, close to nature, safe and secure, children can paint and create freely.

3. Using high-quality electronic components and accessories, stable performance, safe and reliable.

Ability training: use your hands and brains
Material: wooden