features clear and penetrating voice, which is conducive to the cultivation of children\' s creativity. Features: [Quality Material] Made of selected solid wood, wear-resistant no odor, healthy and environmental protection. [Polished Surface] Smooth without burr, safe to use, will not hurt baby\' s delicate skin. [Two Sound Slots] Dual tone design, making clear and penetrating sound. [Early Education for Intelligence] Providing a pleasant music contact experience, teaching in fun. [Broad Scale] Conducive to the cultivation of children\' s creativity and hand-eye coordination ability.