9th Birthday Gift 9 Years Old Square Root of 81 T-shirt-mt

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester, Imported, Machine wash cold with like colors, dry low heat, T-Shirt: Funny 9th birthday math, algebra, mathematics, science, .. gift shirt. The square root of 81 is 9 years old. Perfect 9yrs anniversary present for every math geek, math teacher, calculator freak, science boy or girl.. born in 2009. Simple, funny humor, sarcastic, .. b-day gift idea for yourself and for people you love: friend, mother, father, sister, aunt, uncle, mom, dad, toddlers, kids, … Great gift in addition with other bday present like coffee mugs, square root birthday shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem
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