Easy to grasp toy that encourages eye hand coordination motor skills and cause effect learning suitable from birth 0 4 months attach the jittering jay to the gymini activity gym activi tot developmental gym or baby carriage so that your baby can see it and at a distance that he can easily reach by stretching out his hand because babies cannot reach beyond their mid line it is important to hang the toy on or towards the side 4 10 months let your baby hold the jittering jay so that s