Thames & Kosmos Saltwater Fuel Cell Robot STEM Experiment Kit 550065

Thames & Kosmos Saltwater Fuel Cell Robot STEM Experiment Kit 550065

$29.58 ~~$37.95~~

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*This is a product we must order from a distributor. Expect shipment within 14 business days or up to 30 business days for this product to come to MPM Hobbies. Products listed as back or pre-orders may take longer than 30 days. Distributor product availability may change without the knowledge of MPM Hobbies. Should this occur, we will notify you via email, text or phone call. Please read our "Shipping Policy" for details on mixed orders i.e orders containing both in-house and products we must order from the distributor.*

SKU: THK550065

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Build 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 salt water! The “fuel” bottle is easy to clean, refill, and reuse for hours of exploration.

A full-color manual includes step-by-step assembly instructions and delves into how this green technology offers a truly safe, non-toxic, long-lasting, and renewable source of energy.