Personalized Mining Eggineer Infant Tutu Bodysuit. Eggineers are engineering eggheads and this humorous egghead with a shovel, a handful of rocks, a hard hat and mining eggineer text is a humorous design for mining and geological engineers at birthdays, holidays and graduation. Tutus are all the rage! This one is made of matching tulle and stitched right into a soft creeper.