Features: 1. coconut shell material with natural wood grain, solid and durable enough for long time use. 2.The thumb piano keys are made of metal bars in different length, make the sound resonance better. 3.Easy to use, just need to use two thumbs play to make a sound, you can creative your won music. 4.Small size and light weight for easy carrying and storage. 5.Also a great educational instrument for children do training and cultivate your child's interest. specification: coconut shell material with natural wood grain, solid and durable enough for long time use. The thumb piano keys are made of metal bars in different length, make the sound resonance better. Easy to use, just need to use two thumbs play to make a sound, you can creative your won music. Small size and light weight for easy carrying and storage. Also a great educational instrument for children do training and cultivate your child's interest. Exquisite workmanship with colorful painted, it's a wonderful gift for your family or friends. : Condition: Material: Coconut Shell and Metal Color: As the Picture Show Weight: Approx. 185g Package Included: 1 x Thumb Piano Note: 1. Please allow slight deviation for the color and measurement. Thanks for your understanding. 2. Since the coconut shell is taken from nature, there are circumstances such as different sizes or three naturally formed holes.The surface of this product is smooth, these situations will not affect the use. 3. Please note that the color of this product will be sent randomly, and make sure you will not mind before ordering. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store