There is a pretty good deal on Amazon right now for 76013 Batman: The Joker Steam Roller
. It is discounted 22% down to $39.13
as opposed to it's MSRP of $49.99. It's sold by a third party, Quidsi Retail LLC, which is a subsidiary of Amazon, but is fulfilled by Amazon which means you can enjoy most of the same benefits as if Amazon were selling it. Free Super Saver Shipping already applies since it's over $35, and of course Prime members get free two-day shipping.