Spark play time in the dark for a unique game of hide and seek. Each Firefly gently flashes and has 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). Great for indoor and outdoor play! Kids run about searching for the next Firefly to add to the team jar! Capture the magic of fireflies in your own two hands!