Green Man Gaming offers downloads of LEGO Complete Pack for Windows for $28.97. Coupon code "OQE4LG-WEQPSE-SMCME1" cuts it to $23.18. That's tied with our September mention and $47 under just the Harry Potter and Lord of the Rings games alone elsewhere. It includes LEGO Batman 1 and 2, LEGO Harry Potter 1-7, and LEGO Lord of the Rings.
Steam is required to download and activate these games.