These are the key Developmental Wonders that this product can encourage in your baby: Senses The smiling characters, crinkly textures, rattling sounds and other features stimulate baby’s sense of sight, sound and touch. Fine Motor Skills The arch’s adaptability means you can position the toys at the right distance from baby, allowing your little one to bat at the toys and later pull, grasp and roll them, practicing motor skills and eye-hand coordination. Cognition Your baby bats at the dangling toys, learning all about the wonders of cause and effect. Later, baby will learn to pull the propeller and roll the rattling ball to deepen this understanding.