Wonderful Piano    Build your own musical instrument and learn how sound comes out of it! In the set you will find various construction elements needed to create a piano. After installing a battery (not included), it will become a real instrument on which you will be able to play various melodies.    Product features  - self-assembly kit;  - create your own melodies;  - an eco-friendly reusable box is included;    Batteries: 2 x AA (batteries not included)    Age: 8+