ThinkGeek offers the Star Wars Geeki Tikis Series 1 and Series 2 6-Piece Sets for $37.99 each. Add both sets (12 Tikis total) to cart for $75.98 to qualify for free shipping. That's $84 off and the lowest per-unit price we've seen for these tiki glasses at $6.33 each. Each mug has a 14-oz. capacity.