As one of its daily deals, Hobo Ninja offers the Build-it Brick Mug for $17.99. Coupon code "COFFEECREATION" cuts it to $14.99. With free shipping, that's the lowest total price we could find by $8. This 12-oz. mug is compatible with LEGO, PixelBlocks, Mega Bloks, KRE-O, or K'NEX Bricks. (Bricks are not included.) Deal ends March 27.