This toy can train the skills of manual brain, intellectual development, seeing, cultivating interests, developing other skills, hand-eye coordination, parent-child communication, interactive toys, etc. Sound activated - the whistle sounds and goes sweet. As soon as the whistle sounds, the piglet moves quickly. Lightweight - Small and intelligent, easy to carry, these small cute animals are lightweight and easy to carry. You can play anywhere. PERFECT GIFT - It is a great gift idea for your kids or friends. Environmentally friendly material - soft silicone, skin-friendly material and comfortable feeling. Specification: Material: plastic Battery: 3 AAA batteries (not included) 1[Sound Activated] ----Cute animal appearance design, as soon as the whistle sounds, the piglet moves quickly, and brings joy to your children. 2 [Endless Fun] ----When your child blows the whistle, the cute pig will follow, short distance for a short time, long distance for a long time, fun and interesting. 3 [Cool Music] ----When the whistle sounds, the pig will follow, and at the same time, the pig will make a pleasant sound to pass the joy to the children. 4 [Safety Material] ----Made of safe and environmentally friendly ABS material. 5 [Best Gift for Children] ----This toy will be a birthday or Christmas gift and a holiday gift for your children.