This 9.5? ancient Japanese instrument produces a gentle clatter that kids love. It is great for improving hand-eye coordination and other gross motor skills. Constructed of eco-friendly Rubberwood blocks of wood connected to a sturdy leather strap with easy to grip wooden handles at each end. Provides rhythmic foundations that stimulate musical creativity. All wood construction made from environmentally friendly Rubberwood with a non-toxic clear coat finish and water-based VOC free paint.