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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.

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