Through 7/26, save up to 50% off Sale Items at ThinkGeek. Plus, shipping is free on orders over $30 with code SDCSEE at checkout. Some best bets are to get the pictured Nintendo Link's Shield Backpack, which drops from $59.99 to $29.99, a 50% savings, and this For Science! T-Shirt, which drops from $19.99 to $9.99, a 50% savings. Also check out this Chromatic: LED Color Spectrum Clock, which falls from $49.99 to $29.99, a 40% savings. Shipping adds $6.95 for orders less than $30, and there is no sales tax (except VA, OH, and FL).