Thank you for visiting our page. Gecko Kalimba 17 Key Thumb Piano, Case Study Notes Music Tuner Black Tuning With. Great sound: thumb piano of this solid curly maple has a very nice clear sound. The piano made of curly maple is, because it has a slightly longer resonance than those made in mahogany, when you play, not familiar with the new songs that will likened feel the sound more continuously. Since it uses the C tone of the international standard, playing is easy, you can make a wonderful sound only played in two of the thumb. This would be pretty good as a birthday gift, giving a surprise to ...