It seems that a robot must be an excellent tool for students to learn engineering ideas. "e-nuvo", an educational robot series supplied by ZMP INC must be the one. It was first launched in 2004, and since then, over 300 units have been used in educational facilities and research laboratories in Japan and foreign countries. This robot was an award winner at the 2008 Robot Award held in Tokyo.
The supplier, ZMP INC. offers a few other robotic products, such as "muro" which is a network music player equipped with robotic technology, "ＰＩＮＯ". an interactive humanoid robot, etc.
Source: DigInfo news via YouTube