Amazon.com offers OWI Salt Water Fuel Cell Giant Arachnoid Kit for $14.58.FREE Shipping on orders over $25.
OWI-751 Features: -Building on the success award winning salt water fuel cell car.-Second generation appears to be just as dynamic...maybe a little frightening.-For ages 10 and up. Includes: -After activating the fuel cell module with a saltwater mixture, the magnesium metal sheet (3 sheets included) can operate the spider for about 5-7 continuously.; From the Manufacturer; The Salt Water Fuel Cell Giant Arachnoid Kit gives children a chance to learn about new forms of clean energy, while building and powering their very own toy - feed it saltwater and watch it scurry away. [ Shop Now ]