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The First Law of Thermodynamics T-Shirt
Sale Price $54.95. Original Price $61.05.
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Science is Awesome T-Shirt
Sale Price $54.54. Original Price $60.60.
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LIBRARIES ARE COOL tshirt
Sale Price $40.91. Original Price $45.45.
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KEEP CALM AND FOLLOW THE LAWS OF THERMODYNAMICS T-Shirt
Sale Price $41.99. Original Price $46.65.