I Have Potential Energy Magnet
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Get Real Be Rational Postcard
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Second law of thermodynamics T-Shirt
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Second Law of Thermodynamics T-Shirt
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Physicist ... Will Work For Wine Trucker Hat
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ENTROPY - bumper sticker
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I Have Potential Energy T-Shirt
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Entropy Bumper Sticker
Price$8.70
Get Real Be Rational Large Tote Bag
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Get Real Be Rational Two-Tone Coffee Mug
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Super Physicist Key Ring
Price$21.50
Physics...Cool Kids Key Ring
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