This black t-shirt features a fun and intellectual design for those celebrating their 12th birthday (√144 = 12). The shirt is adorned with white math equations and diagrams surrounding the square root of 144, followed by the words "Years Old", creating a unique and playful birthday statement. Ideal for math enthusiasts or anyone with a good sense of humor, this tee is perfect for birthday parties, casual wear, or as a memorable gift. Made from a comfortable-looking fabric, it offers a relaxed fit for everyday wear. Stand out with this clever and eye-catching design!
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Our tees fit true-to-size. Check the size chart before ordering to ensure a perfect fit.
Processing 2–3 business days; standard delivery 5–12 business days depending on destination.
Machine wash cold with like colors. Do not bleach. Tumble dry low. Iron inside-out if needed.