a blue sign that says, a neutron walks into a bar and asks how much for a drink the bartender replicas for you, no charge
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neutronjokerect Rectangle Magnet Science Joke Rectangle Magnet | CafePress

Shop Science Joke Rectangle Magnet designed by EpicLoveDesigns. Lots of different size and color combinations to choose from. ✓Free Returns ✓High Quality Printing ✓Fast Shipping
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