Gender: Unisex Age: 0 months When pulled and released, it vibrates and shrinks, or sways back and forth. It feels crinkly to the touch, and makes a sound when shaken. It makes a rattling sound when attached to the arm. 3 sets It allows for various sounds and the use of hands. It's a colorful first toy that can be enjoyed visually. There are no noticeable defects or stains.