Robots can not simply be made of metal and electronics. This is evidenced by the presence of a robot's first environmentally friendly in the world made of cardboard material. The idea of robots 'green' called D + ropop coined by the company was eager robots. With a weight of about 6 pounds, the size is relatively lightweight robot than the robot in general.

Almost all parts of this robot is made of cardboard. There were only eight small motors used to move the limbs and head. Because paper is made from cardboard, this robot will be easily recycled if it is outdated. Body parts can also be illustrated. Target customers of these robots are companies that care about the environment. D + ropop offered at a price of £ 3000 and will also be leased in Japan. These robots show off the 2009 International Robot Exhibition in Tokyo.