1Plastic Material: Made of high quality plastic materials, it is durable and wear resistant, and can be used for a long time. 2Easy to Clean, Not Easy to Break: The plastic ball bottle is easy to clean and not easy to break. There is no need to worry about the broken pieces falling into the child's mouth or eyes. 3Main Function: Mini bowling balls help to develop children's sports skills, spatial awareness, hand eye coordination and balance. 4For Children: Especially for children 1 year old and above. This is a great choice for early childhood education projects, holidays and birthday gifts. 5Use Occasion: Small and compact, the bowling ball set is very easy to carry, suitable for indoor and outdoor play, and can be used for comprehensive interactive games between children.