Salt Water Spider Kit
Johnco Salt Water Spider Kit – STEM Science Kit
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Product Description:
Build your own creepy-crawly robot with the Johnco Salt Water Spider Kit! This fascinating STEM kit lets children construct a lifelike moving spider powered by just a few drops of salt water — no batteries or electricity required. Using a salt water fuel cell, the spider scuttles across surfaces while demonstrating how alternative energy can be used to power a mechanical creation.
This hands-on science kit provides an exciting introduction to fuel cells, clean energy and sustainable technology. Combining building, engineering and scientific discovery, the Salt Water Spider Kit encourages children to experiment, problem-solve and explore how chemical reactions can generate power.
Features:
• Salt Water Powered: Uses a fuel cell powered by salt water, allowing the finished spider to move without batteries.
• Hands-On STEM Learning: Introduces children to fuel cells, chemical reactions, alternative energy and sustainable technology.
• Build Your Own Moving Spider: Includes the components needed to assemble a creepy-crawly robot with lifelike scuttling movement.
Ages: 8+
Box Dimensions: Approx. 21 × 18 × 6 cm (L × W × H)

