Volcanic Crawler Modeled after NASA's volcanic explorer Dante, this Robotix vehicle looks like the real thing! Powered by 2 high-speed motors, its special walking mechanism allows the volcanic explorer to walk spider-like through even the most treacherous terrain. and much, much more! For ages 7 and up. Requires 4 "C" Batteries (not included). Full Replacement Warranty For ages 7 and up. $89.99