Personalized Wheee I'm Three Blue Toddler T-Shirt. Yummy chocolate cake with white icing and three candles says WHEEEEEE! I'M THREE 3rd birthday Toddler T-Shirt - White and Black for little boys. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.