Perfect for indoor and outdoor play, this 2019 Creative Child Game of the Year Winner sparks play time in the dark for a unique game of hide and seek. Kids run about searching for the next firefly to add to the jar! Fireflies gently flash and have an On/Off switch. Includes one 5" plastic jar with five blue 2¾” fireflies and one 5" plastic jar with five green 2¾” fireflies. Each firefly requires three AG3 batteries (included).