Square Root of 144 12 yrs years old 12th birthday T-Shirt
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 for mom, dad, men, women, ladies, girls, teens, adults, boys, children, teens and youth - Clothes clothing apparel dress tshirt.