Gross Motor Skills As babies reach out on their tummies to touch the mobile's toys, they strengthen their body for important milestones ahead Fine Motor Skills The toy's entertaining features encourage baby to strengthen the finger, hand and wrist muscles, improving grasping, tapping and holding. Senses The movement, colour, sound and feel of the mobile entertainer all stimulate babies developing senses with fun audio, visual and tactile stimulation. Cognition As babies watch the moving characters in the peek-a-boo window, the understanding of object permanence begins to develop.