With Let It play when the wind blows or tree branches shake by natural factors, people can hear a melody with a random combination of notes in a particular scale, a Pentatonic scale for instance. This makes the combinations pleasant. By any change in wind properties and in branches movements' orders, infinite ear catching melodies will play. People hear what nature is composing. Let It Play has two flexible slings in order to be attached to tree branches. It has flexible solar cells on the body and electronic parts for motion sensing and power storage for night use.

eetoDesign is a group of young designers. It is started three years ago with a special focus on product and service design. The purpose of eetoDesign team is to design new concepts in order to make new experiences for people around the world to make living better. They are trying to participate in international events to show their design abilities and communicate with international brands. They are also interested in academic research and studies and are currently working on some.