Review on π© The Ultimate Rotating Mechanical Constructor for Engineering Enthusiasts: Perfect for Adults and Teenagers by Dee Rawls
Good 3D working puzzle but number
I bought this to use in my science class as an introduction to renewable and sustainable energy. It is fairly easy and quick to assemble. In battery mode it works perfectly. Unfortunately the solar panel does not work. This contradicts the purpose of the purchase. It's fun to collect, but now it's useless to me.
- Absolutely amazing!
- So So
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