[Better Sound Resonance] The thumb piano keys are made of metal bars in different length, make the sound resonance better. [Easy to Use] easy to use, just need to use two thumbs play to make a sound, you can create your wonderful music. [High Quality] and high quality. This Thumb piano is made of high quality Coconut Shell and Metal materials, with wood grain, solid and enough for long time use. [Exquisite Workmanship] 7 keys african exquisite workmanship with colorful painted, it's a wonderful your family or friends. Also a great educational instrument for children do training and cultivate your child's interest. [Convenient to Carry] Thumb piano has the small size and light weight for easy carrying and storage. Note:Due to different production batches, the color of the product may be different, which does not affect use. Colour:As Shown Material:Wood Package Contents: 1 x Finger Thumb Piano Musical Instrument Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.