Alibaba 21st Century brand has been creating high quality graphics since 2011. Rest assured of getting authentic premium quality shirts printed in the USA using the most advance printing system machines available. Please be advised that sometimes the tee shirt smells like vinegar, don't worry it will be removed after you washed it. The smell comes from the non-toxic chemical used on shirt upon printing. We appreciate your trust to Alibaba 21st Century brand and we guarantee you no-hassle returns when something went wrong with the shirts we delivered to you. Thank you!...

• Funny simple math problem age number 12yrs 12 years old 12th b-day bday geek geeky nerd nerdy gift idea graphic tee shirt. Looks great in five colors to choose from: black, green, slate, navy blue, red, and wide range of available t shirt sizes too, Xl, 2xl, 3xl, plus size, for mom, dad, men, women, ladies, girls, teens, adults, boys, children, teens and youth - Clothes clothing apparel dress tshirt.
• Square Root of 144 12 years old
• Lightweight, Classic fit, Double-needle sleeve and bottom hem

Funny simple math problem age number 12yrs 12 years old 12th b-day bday geek geeky nerd nerdy gift idea graphic tee shirt. Looks great in five colors to choose from: black, green, slate, navy blue, red, and wide range of available t shirt sizes too, Xl, 2xl, 3xl, plus size, for mom, dad, men, women, ladies, girls, teens, adults, boys, children, teens and youth - Clothes clothing apparel dress tshirt.Alibaba 21st Century