Build this TEACH TECH Tusk Wild Boar Solar Robot Crawler STEM Building Set for Kids and watch how light powers this cute mechanical boar. The mechanical boar is ideal for a do-it-yourself science fair, after-school, or summer workshop project. Fun to build, fun to watch, and the Tusk give you the bonus of learning about gears, motors and mechanical transmissions! With only 47 assembly parts, the building set a wonderful instrument for the beginner enthusiast 8 years and up, and a gateway to ignite opportunities in fun learning.