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 Flashing Pink Heart Head Boppers, slide the switch on the side LED hearts light up a steady bright pink Note:One Size Fits Most! For large heads, the plastic band is pliable & easy to manipulate. Bend the springs too if you'd like. Heart Head Boppers include 3 replaceable AG13 Batteries.Specifications: Height: 9.5 in. Headband Width: 5 in. Heart Height: 2.5 in. Heart Width: 2.5 in. LED Colors: 2 White inside pink heart shells