Saltwater Fuel Cell Robot deals And it comes with a

And it comes with a playmat showing different habitats around the world

scatter blast

wide-eyed expression with bold eyebrows and a big embroidered smile

Includes 2 colorful builds

resulting in a total magnification power of 60x

Saltwater Fuel Cell Robot deals And it comes with aBuild 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 just one drop of