1. New concept of mechanical link track adventure can improve thinking ability and hands-on ability.
2. Reasonable mechanical structure, no battery, stable structure, easy to operate.
3. Multiple colors help the baby recognize the colors of the six buttons and match the colors of the scene. Babies learn to use control buttons to recognize colors.
4. Safe and environmentally friendly material is resistant to fall : the component does not fall off and accompanies the baby longer.
5. 360 degree soft treatment, round and smooth texture; balloon does not burst.
6. 3 cars included