Salt Water Spider Bot

Price: $24.95

Salt water is one of the most abundant natural resources on Earth. Imagine if we could use it as a fuel? Build your own spider and see how just a few drops of salt water bring it to life! But watch out - you might give some people a bit of a scare as it crawls about!

Learn not only about this amazing source of energy, but also about robotics as you piece together over thirty components. Best of all, no batteries are required so as soon as you've finished building, it starts creeping. All you need to add is a few drops of salt water!

This product is made of environmentally friendly materials.

Age: 8+
What You Get
Salt Water by 4M. Includes fuel cell plate (batteries not required). All materials used at environmentally safe and clean. No toxic substances or disposal concerns.

How Does it Work?
The metal sheets in the fuel plate react with the salt water to produce hydrogen. The hydrogen is attracted to the cathode (negative electrode), which creates a flow of electrons. This powers the spider's movement.
  • Robotics
  • Electronics
  • Green energy
WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

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