Saltwater Fuel Cell Robot gas This feature enables little spy

This feature enables little spy kids to navigate and gather intelligence in the dark

2012 PARENTS' CHOICE Silver

Plush Puppy Warmies is scented with real dried French lavender and perfectly weighted for a positive sensory experience

Silky-soft and lovingly loyal

sounds and voice messages

Saltwater Fuel Cell Robot gas This feature enables little spyBuild 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