A Hands-On Discovery of Robotics TechnologyWhile the history of robots has its roots in ancient myths and legends, the technology needed to actually build them has been evolving for decades. Use the science of robotics to make a rudimentary bipedal walking robot that runs by alternately moving its legs.This fun-to-build kit includes paper body parts and assorted supplies needed to put your 120 mm x 150 mm x 85 mm robot. Tools needed include tape, scissors, exacto knife, and a philips head screwdriver. Requires one AA battery (not included). Not for children under 3 years.