Thames and Kosmos Robotics Smart Machines Tracks and TreadsRecommended Age: 8 14 Robotics is a vast, thrilling, and sometimes overwhelming interdisciplinary field involving physics, engineering, and computer science. This kit gives kids a simple, fun, and customizable introduction to robotics that lets them build eight motorized machines controlled by programs and an ultrasound sensor. The models all make use of continuous tracks, also known as tank treads, to move themselves and other objects around. Kids