ALEX Toys Rub a Dub Tub Tunes Water Drums makes bath time a rockin’ good time! Children can compose their own music or just have a jam session while getting clean. Free style or use the included waterproof sheet music to play some kiddie hits, like “Mary Had a Little Lamb,” “Row Row Row Your Boat,” and “The Ants Go Marching One By One. ” Change the sound of your drums by adding water to them. The set includes 2 drums, 2 drumsticks and 3 waterproof rhythm charts. Recommended for children 3 years of age and older.