This is a dive and search sonar game your child will enjoy. Players hit the timer and toss the ball into the water. Follow the distinctive beeps to find the ball. The beeps get faster and faster as time runs out. The first player to disarm the timer wins. This is a great game to keep children active during the summer. It will help develop motor skills, communication and foster social interaction. The game comes complete with one electronic sonic ball with a 60-second timer (batteries included).