Salt Water Fuel Cell Robot t-mystical-figures 222 "North African Campaign"

222 "North African Campaign"

Not available in this format since the 1960s

These fun ‘Monster Trucks’ come stylized with their own unique colours

The fun really begins when the last puzzle piece is inserted

Salt Water Fuel Cell Robot t-mystical-figures 222 "North African Campaign"Thames & Kosmos Build a sleek, modern (and adorable!) walking robot powered by salt water and magnesium no batteries required! Discover how a metal air electrochemical cell stores and discharges electrical energy using a simple saltwater solution. Explore the science of electricity, currents, and electric potential. An innovative pump mechanism provides a steady drip of salt water onto the magnesium plates and the robot walks for up to one hour on