Celebrate your little racer’s milestone with this adorable race car-themed “1st Birthday” t-shirt! Featuring a bold number one designed as a roadway, colorful cars zooming across, and checkered flag borders, this tee brings fast-paced fun to your car-themed party. Perfect for a boy’s first birthday, it pairs great with suspenders, denim, or party overalls. The cheerful “Birthday Boy” lettering and cute racing details make it ideal for photos, cake smashing, and memories that last. A must-have for any second-to-none first birthday celebration full of vrooms, zooms, and smiles!