1. Material: plastic, silicone, metal 2. Applicable age: children (3-6 years old), teenagers (7-14 years old) 3. Ability training: emotional, visual and intellectual development, use of hands and brains, grasp, senses, hand-eye coordination 4. Packing: OPP bag 5. Five kinds of suits can be selected, each suit has a variety of styles 6. Small size, easy to hold 7. Fun toys, relieve stress