DescriptionThese kids toy provides knock, grip and other hand training exercises, which can promote the development of the baby's arm muscles. It comes to adorable cartoon design, offer an opportunity to develop their hand-eye coordination abilities.Features-Material:ABS, electronic components-Size:21.00X16.00X7.00cm/ 8.25X6.29X2.75in -Powered by 3pcs AA batteries(Don't take the battery) -Fun time for parent-child interaction, funny playing. -With beating mole, percussions, marbles and other entertainment modes. -Bright colors are easy to catch your baby's attention. -The baby can exercise the muscles of both arms and arms by beating the toy. -Can exercise the baby's thinking ability and logic ability.