This thumb piano 17 Keys shaped giving you a better sense of hearing,vision and touch.It's suitable for most women and more.You can also choose the one you like for decoration or play to enjoy a lot of fun. Length: 145.5mm/5.7inch, Width: 151mm/5.9inch, Thickness: 18mm/0.7inch, Color: Transparent, Shape:Stamen, Material: Acrylic, In the package of: 1 x Thumb Piano, 1 x Thumb Piano Box, 1 x Tune Hammer, 1 x Instruction Book, 1 x Color Stickers, 1 x Cleaning Cloth This thumb piano is made of high grade acrylic and carbon steel keys.Beautiful Sound, Relaxing and it will give off an echo-like effect, which makes the sound effect the sound is clear, similar to the sound of a music box, but more transparent. Without any music basis, you just move your thumb piano to get the wonderful music that your day long. Each has the exact sound they are suppose to a music book will help you a lot. Fit for 14+ ages. Style Modern Brand Name MECCANIXITY Instrument Piano Manufacturer MECCANIXITY Model Number mea240509ee000361 Number of Keys 21 Special Features Portable Age Range Description Adult Connectivity Technology Auxiliary Manufacturer Part Number mea240509ee000361