Children Number Puzzle Arithmetic Multicolor Rotating Shaft Baby Early Education Wooden Teaching Kids, Style: Bear Blue

1. Material: wood
2. Paint surface: environmentally friendly water-based paint
3. Suitable age: over 3 years old
4. The steel pipe connection is firm and unimpeded
5. There are gaskets inside, with clear gaps
6. No burrs, polished and smooth, hehe baby's tender hands
7. Moderate size, easy to grab
8. Cultivating ability: cognition of digital symbols, color cognition, mathematical logic