Square Root of 16 - 4 Years Old Birthday T-Shirt

Celebrate a 4th birthday in style with this unique t-shirt! The shirt features a fun mathematical design - the square root of 16, cleverly conveying the age of four. Made from a comfortable-looking dark fabric, this tee is perfect for a birthday party or everyday wear. The bright cyan square root symbol and blue '16' pop against the dark background, while the yellow 'years old' adds a playful touch. This is an ideal gift to commemorate a special fourth birthday!