Soopsori Monkey Rhythm Blocks Enjoy countless hours of music-making with this artistically crafted rhythm block play set Features two differently sized (and differently pitched) blocks for your child to explore rhythm and simple melodies Carefully crafted with various types of wood generate different pitches even by hitting on areas outside the sound blocks Help your child develop a love of music and rhythm with this engaging musical piece Made from all-natural solid woods in their distinctive natural colors, all-natural linseed oil finish