This set is full of colorful rattling fun! Each of these developmental toys is designed to engage and stimulate babies while encouraging hand-eye coordination. Clear rattles contain colorful beads, the keys provide a lively click-clack sound and the play phone squeaks and rattles! All of the toys are lightweight and sized perfectly for baby to grasp and hold. Specially designed to engage and stimulate a young childÕs interest and curiosity while encouraging important infant development.