3 years & up. Children will love exploring sound as they drop marbles from the top and listen to the soothing, melodic tones each branch creates. This engaging activity invites young learners to make predictions and observe cause and effect. As they grasp and release each marble, they also strengthen hand-eye coordination and fine motor skills. Includes three marbles for repeated musical discovery. The melody tree measures 6.4"L x 6.4"W x 15.25"H.