WOODEN METAL XYLOPHONE (Plywood for the body, beech wood for the wheels, tea wood for the sticks). 8 Metal keys. Wheels printed by heat transfert. Black rubber rings fixed on the wheels to make them silent when pulling the toy. Diatonic musical scale 2-in-1 toy: Xylophone for budding young musicians and pull toy for bringing everywhere from the time of Baby's first steps. Open box.