Press down on the protruding part of the caterpillar toy's body, then release your hand. This toy automatically moves forward, helping to guide the baby to crawl and grab it.In the process of moving forward, the small beads on the wheels and the shaking head will make a crisp sound that the baby enjoys.The head and tail can easily rotate with a rattling sound. This can train the baby's fine motor skills in their hands.The bright colors and cute shapes can attract the baby's attention, and parents can also teach the baby to recognize different colors, shapes, and sounds.The good quality makes this toy very durable. It has passed the ASTM, CPSIA, and CPC certifications required by the U.S. Consumer Product Safety Commission. Parents can confidently give it to babies as a gift.