Thames & Kosmos Saltwater Fuel Cell Robot
$35.00
A renewable‑energy robot kit that walks on salt water and magnesium instead of batteries, teaching kids about fuel cells, electricity, and energy systems through hands‑on assembly.
Description
Build a sleek, modern walking robot powered entirely by salt water and magnesium with the Thames and Kosmos Saltwater Fuel Cell Robot, an innovative science kit that blends robotics, renewable energy, and chemistry into one engaging hands‑on experience. This unique robot walks without batteries, teaching kids how an electrochemical fuel cell stores and discharges electrical energy using a simple saltwater solution.
Assemble the robot using the easy‑to‑follow color manual and learn how a metal‑air cell works, where magnesium and salt water interact to generate electricity. An innovative drip‑feed mechanism applies salt water to the magnesium plates. With just one drop of saltwater “fuel,” the robot can walk for up to an hour before needing more, demonstrating energy flow, chemical reactions, and engineering in action.
During assembly and operation, kids explore the science of electricity, circuits, currents, and electric potential in a fun, digestible way. The simple but powerful fuel cell introduces concepts of green technology and renewable energy sources that are safe, non‑toxic, and long‑lasting — perfect for curious minds who want to understand how real energy systems work.
This walking robot kit makes an ideal introduction to electrochemistry and robotics, encouraging experimentation and discovery. Whether for a classroom STEM project, a homeschool science unit, or an independent exploration of energy systems and robotics, the Saltwater Fuel Cell Robot offers hours of educational fun and insight.
The Salt Water Fuel Cell Robot may help with…
- Counting
- Critical Thinking
- Creative Expression
- Curiosity
- Discovery
- Focus
- Following Instructions
- Hands-on learning
- Planning and Organization
- Problem Solving
- Safety Preparedness
- Spatial skills
- STEM Exploration
- Teamwork
- Turn Taking
Thames and Kosmos Saltwater Fuel Cell Robot Features:
- Buildable walking robot powered by a saltwater fuel cell
- Uses magnesium plates and a saltwater solution (no batteries required)
- Innovative saltwater drip mechanism for continuous energy generation
- Full‑color step‑by‑step assembly and science manual
- For ages 8+










