An EGGfest EGG is a Big Green Egg package that you pre-purchase prior to the event at a substantial discount. Now available in Large, XL, and 2XL sizes, these brand NEW Big Green Eggs are cooked on the day of EGGfest by one of our registered cooking teams, and then you pick it up at the end of the day! This is a great opportunity to buy your first Big Green Egg or add to your EGG family! All EGGfest EGGs carry the full Big Green Egg warranty, include the NEW intEGGrated Nest, ConvEGGtor, and are available to PRE-PURCHASE ONLINE or IN-STORE. Very Limited Supply Available for.