Now the power of rain is in your hands! The Waterball ML 100 uses one-of-a-kind H20 technology to create waterballs! A full tank can produce more than 100 miniature waterballs - perfect for surprise soaking. (They'll never know what hit them!) Just pull back the lever and crank out the fun! Try games with the Waterball Sport Luancher including Waterball tag, Waterball catch, Waterball aim, and Waterball surprise (games included in the box). This water gun fits in the palm of your hand and launches 100 balls per tank! No batteries required! Now that's what we call COOL!