100% Safety : This rattle is made of wood eco-friendly material,safe for children to get it on mouth or chew on. A perfect Gift for newborn baby. Development toys: Helps strengthen baby's sensory ,motor and hand and eye cordination skills different colors,various shapes,unique design can develop baby recoginition ability. The teathers also helps babies in teeth soothing Attractive Sound Toy Helps to Soothe Baby: Attractive and sweet sounds will show up when mommy shake the rattles, a useful and essential toys for parents to soothe the little baby. Light-weight and small volume, can be played in anywhere such as outdoor, indoor, even in the car Perfect Size for Little Hand: The colorful baby rattles are big enough which avoid mistake swallow, perfect size for little hands to grab it. Hours of fun with those fun rattles and teether.