DIY Salt-water Powered Windmill – STEM Science Toy
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Build your own eco-friendly windmill powered by nothing more than saltwater!
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- Printables
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- Engineering
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- Creative Commons — Public Domain
This windmill is powered by a salt-water based battery. It’s a fun STEM project to explore:
⚡ Chemistry – how saltwater creates electricity
⚙ Engineering – simple windmill structure Renewable energy – clean power for kids to learn
Model details:
Windmill blade diameter: 50 mm Base: 60 × 60 mm, 5 mm thick Column height: 40 mm Motor shaft hole: 3 mm (fits mini DC motor)
⚠ Note: Salt is not included due to shipping restrictions.
You only need 10 g of table salt with water to power it. 👉
If you want a complete kit with all parts included, you can get it here.
Check here: https://www.wehometool.com/products/diy-saltwater-power-kit-science-experiment-stem
Perfect for school projects, STEM education, or science fairs.