Product Features 1. Action mechanism for more expressive play. The keyboard action mechanism is installed on the apprite piano-shaped mini piano, and has been improved for the grand piano. Even with the light force of small children can make sound. 2. Design more like a grand piano The legs and left and right sides of the keyboard are called the arms that give it a luxurious look with the curves of a real piano. It has an elegant look like a grand piano. In addition, due to the redesign of this product, we have reduced 17.6 oz (500 g) lighter than the previous model. 3.More safety Increased strength of roof joints In addition, the key board has also been increased, so it is difficult for children to be prone to breakage. (From Amazon.co.jp)