This 16-piece LEGO LED keychain merchandiser contains 12 dinosaur keychain lights: 6 T. Rex and 6 Triceratops. They are fun toys, practical flashlights, and cute bag charms that are perfect for fans of prehistoric dinos, science, and quirky collectables. Each keychain light figure measures approximately 3 inches tall and is a 175% scale replica of the LEGO minifigure. Powered by 2 CR2025 batteries (included), simply hold the on/off button in the chest to activate the LED light in each foot. The metal key ring is easy to attach to a lanyard for quick access in dimly lit areas. Minifigure is fully posable with movable head, arms, hands and legs and makes the perfect gift. These would be right at home in a toy store or science museum gift shop.