Build a hybrid crabot that cleverly uses solar power when the sun shines, or battery power when there’s no sunlight.  Assemble the crab like robot from the parts included, following the illustrated instructions. About the range: - Green Science teaches the principles of renewable energy and encourages children to build a cool, clean machine that works! - Teaches young engineers how to use the principles of physics to build their own gadgets, robots and cool contraptions that really work. - Enhances children’s development in hand-eye coordination, creative thinking skills, engineering skills, construction skills, logical thinking and more.