Personalized Electrical Eggineer Youth Long Sleeve T-Shirt. Eggineers are engineering eggheads and this egghead holding lightening bolts with electrical eggineer text, is a fun design to make your electrical engineer smile at birthdays, holidays and graduation youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)