Funny 11th Birthday T-Shirt: Square Root of 121 Years Old

Celebrate an 11th birthday in style with this humorous t-shirt! This black tee features a playful design with the square root symbol over the number 121, followed by the text "YEARS OLD" in a matching golden-yellow font. This shirt is perfect for the birthday boy or girl who loves math jokes and wants to make a statement. Made from soft, comfortable material, this short-sleeve shirt is ideal for casual wear and birthday parties. Get ready to make a statement and show off your unique sense of humor!