Material: PlasticSize: 30*9*20cm (L*W*H)Quantity: 105pcsWeight: 630gSuitable: More then 3 years oldFeatures:Apply for combination of DIY orbit ball blocks， baby learning model， structure， dynamics， energy transfer and conversion， centripetal force， such as knowledge， can exercise image thinking， abstract thinking and reverse thinking. In the process of the game can also help the baby to the color recognition.Note: product ball has small devices， don't swallow.Package: 1 * Toy