The Cybug Solarfly acts like a living organism, and is a unique, educational kit that combines electronic hobby-building and robotics in a project that literally comes to life in your living room.
The Cybug Solarfly is a solar-powered robot that uses just a few simple rules to create complex, life-like behavior. Building it is as simple as the ‘bot itself; it requires basic hand tools, a soldering iron, and 2 hours to complete.

link