Baku, March 16, AZERTAC Japanese toy maker Tomy has unveiled a small transformer-type robot for exploring the surface of the moon, according to NHK World-Japan. The Sora-Q is only about 8 centimeters in diameter, and weighs roughly 250 grams.Tomy, the Japan Aerospace Exploration Agency and other partners including Sony Group spent six years developing it.The casing of the elliptical-shaped robot extends to make wheels to allow it to move over the lunar surface.The Sora-Q has small cameras facing forward and backward to send images of the moon to Earth.A Tomy employee said he is delighted that the company's toy-making technology has helped achieve the size-and-weight reduction needed for a space probe.The developers plan to send the robot to the moon twice in the next 12 months to test its lunar-exploration capabilities.