Child's play kit made of untreated pine wood including glue. Stir inside or strike the individual sound plates on the outside. A sound drum always fascinates! Pine wood paintable. With 8 tonally tuned wooden tongues and mallets Dimensions: Bottom 1.7 cm thick Ø 9.1 cm plates 3 mm thick, in different heights. 8 tonally tuned wooden tongues and mallets.