Sonic Search is a one-of-a-kind underwater game. Hit the timer button, toss it in the water, and follow the distinctive beeps to the ball. How fast can you Sonic Search? Stop the timer and it will tell you. Great blind-friendly game for the whole family. Note: It is recommended that this game be played in 6 feet of water or less. For one or more players. Ages 5 and up. Requires three AG-13 batteries (not included).