Product Size- 12.5 x 12 x 9 cm , Product Material - Non Toxic ABS Plastic. Happy rolling smart music electric baby toy Voice activated wake-up Creative Baby. Development of Fine Motor Skills: Increased flexibility, hand-eye coordination, manipulation, arm movement, causality. Safe and Durable: Durable and safe for children, it contains water-based paint and has a non-toxic coating. Dynamic music and lighting will add more fun in the play, help to improve baby's good hearing and vision.