Birth & up. Brighten your infants' world with these lively crafted rattles. Simply stretch the band and attach to infant's wrist or ankle allowing babies to explore movement and sound effortlessly while they rattle. Made with soft, comfortable materials that are gentle on delicate skin. Each rattle is made to be machine washable for easy clean up. Encourage sensory exploration. Includes ladybug, pig, frog, dog, cow, and butterfly themed rattles.