PAY ONLINE › EXTRA 12 x 12 BOOTH SPACE Image 1 of 1 EXTRA 12 x 12 BOOTH SPACE $50.00 You may purchase up to six additional 12×12 spaces adjoining your tent/space. They are $50 each. Quantity: Extra Spaces Requested Added! You may purchase up to six additional 12×12 spaces adjoining your tent/space. They are $50 each.