Saltwater Fuel Cell Robot Ages 9 Months & Up you'll want to keep her

you'll want to keep her close for warm hugs

and policies

and get creative exploring the possiblities of this perfect crafternoon activity

axolotl-themed stickers

Saltwater Fuel Cell Robot Ages 9 Months & Up you'll want to keep herBuild 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