Each Star Wars Cross Guard Lightsaber is 34.5 inches long from tip to end. To activate, press the on/off button. 3 AAA batteries are included and installed. 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. Specifications: LED Colors: Red