Square Root of 441: 21 Years Old, 21st Birthday Design T-Shirt
Brand: Birthday For Physics & Science Lovers
Color: Black
Categories: Clothing, Shoes & Jewelry, Novelty & More, Clothing, Novelty, Men, Shirts, T-Shirts


This funny and nerdy outfit is the perfect comical geek great idea for B-day for everyone celebrating to become 21 yrs old. It could also be a nice group outfit for a party.
This graphic outfit is a great geeky math joke for every nerd or a mathematic, algebra, physics, or science freak with cool sarcastic humor. Regardless of whether somebody likes numbers or not, this outfit is a cute surprise for sure.
Lightweight, Classic fit, Double-needle sleeve and bottom hem