Toys play a crucial part in development of a child. Toys as simple as wooden blocks or numbered puzzle, develops cognitive and physical skills. Complex puzzles, remote control cars, bubble guns helps learn and analyse cause effects and spatial relationships. Babies tend to play more and more with such toys and make themselves happy. Children's attitude towards their toys nurtures them big way. Features:To activate your light up glow ring, press the button on the underside of the plastic bandSpecifications: Diameter: 1.25 in. LED Colors: Pink - Batteries for LED Glow Rings are not replaceable