1. Material: Plastic 2. Suitable age: more than 6 months 3. The shape is sleek, without burrs and corners, which can care for the baby's immature hands 4. Grasping, sucking, rotating and other actions during play can help improve baby's hand-eye coordination 5. Three-color interactive design to deepen color awareness 6. Can be arbitrarily adsorbed on a smooth surface 7. Each petal is matched with a rattle