Personalized Electrical Engineer Hearts Toddler T-Shirt. EE, the acronym for electrical engineering, made of hearts inside a heart is a unique electrical engineering design. Fun gifts for anyone who loves electrical engineering at back to school, birthdays, holidays and graduation. 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.