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 |  | The Color Mixing Puzzle by marciot |
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 |  | LEDs and Lighting Class with randofo |
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 | | Make Your Own Polygraph Machine (Lie Detector) by Electropeak |
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 |  | Christmas Gone Wrong by KevinByrne |
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 | | Rubens' Tube with Theremin by Thunderstruck Studios |
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 |  | Chicken, Bacon, and Monterey Jack Cheese Pithivier by ButterMyBiscuits |
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 | | Ultrasound Sensor: 2D Tracking With Arduino by abhilash_patel |
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 | | Molecule Ornaments by Penolopy Bulnick |
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 |  | Make a Mini Electrical Car by TangLB |
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 | | How to Make a 2 Liter Bottle Rocket Launcher by squared59 |
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 | | Love Spark by anjanbabu |
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 |  | Wooden Lens Holder / Toddler Loupe by world of woodcraft |
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 | | Ford Mustang Wooden Toy Car by Jimivandebeek |
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 | | Tim's PCB (Plotted Circuit Board) by Palingenesis |
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 | | A Fantasy on the Stylophone Theme by Alex Kov |
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 | | RGB LED Cube by Jakub_Nagy |
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