Personalized Mining Eggineer Toddler Dress. 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. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!