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


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