Thames & Kosmos Saltwater Fuel Cell Robot STEM Experiment Kit 550065 On30 Scale Set Collar

Set Collar

Height: 2"

Ecuadorian border conflicts with Peru

nicknamed 'The Quiet One

Foil sticker x1 Marking sticker x1

Thames & Kosmos Saltwater Fuel Cell Robot STEM Experiment Kit 550065 On30 Scale Set CollarBuild 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