CUTE DESIGN -- All Wrist Rattles and Foot finder socks have bells inside,the Wrists rattles attach with simple Velcro, easy to put on and off. The ears of elephant and monkey were with sound paper, encourage baby to reach and grab. SAFT SOFT MATERIAL -- Made of high quality environmentally friendly fabric,soft and safe for babies to use.Non-toxic and 100% safe for baby to play; it can be washed when get dirty, always keep it clean. EARLY DEVELOPMENT -- These colorful smiling cute animals and bugs will entice little baby to touch, grab and look at them. It will help to develop their hand, foot and eye co-ordination. Strengthening Color Cognition/Vision Cognition/Hearing Development & Voice Development. BABY PARTNER -- Baby Rattles set was suitable for 0 month up babies boys or girls.The toys always keeps in hand, baby will not lose them or throw them on the ground. Best toys for babies when they're in stroller/infant Car Seat/mamaroo/bed/baby chair/Baby Carrier alone. PERFECT BABY GIFTS -- Give these Soft Baby Rattles Toys as the perfect infant toy gift.