- Ages 8+
General
Saltwater Spider Robot
Saltwater Spider Robot
$34.00
Tax included IN STOCK
About this product
Introducing the Saltwater Spider Robot! This environmentally-friendly kit allows you to build a spider powered by just a few drops of salt water. No batteries needed! Learn about clean energy technology while having fun with this thrilling robot.
Salt water provides the electrolyte used in a chemical reaction inside a fuel cell. This chemical reaction creates electricity, similar to how a battery creates electricity. This electricity runs a small motor which can power a car!
After a few minutes of use, the salt water gets used up and you need to add new salt water to keep the car going. After a few hours of use the magnesium plate used in the fuel cell also gets used up and you have to replace it.
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Under $99.00 | $11.00 |
Over $99.00 | FREE |
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