Ferrous Wheel Chemistry Ferris Fe+2 Nerd T-Shirt (Dark)Machine wash cold with like colors, dry low heat A t shirt for boys & girls who love funny science designs. This tee has ferrous wheel, not a ferris wheel. It's a pun. Ferrous is a type of metal containing iron. Ferrous can be written Fe2+. Add this shirt to your Christmas and birthday gift ideas. Wear it proudly to the science fair, chemistry class or around smart people. Makes a great present for geeks and nerds who find science puns funny. This
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