Saltwater Fuel Cell Robot deals 2 goals make and one

2 goals make and one floating ball in each set

Includes baby stroller

trusted by parents

unleash your inner architect Reduce & relieve stress

Saltwater Fuel Cell Robot deals 2 goals make and oneBuild 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