Diapers.com takes 40% off toys, including LEGO sets. With shipping starting at $4.99, or free shipping on orders over $49, many are at the lowest total price we've seen. Plus, new customers can also apply coupon code "10PERCENT" to take an extra 10% off orders over $49.
Notable is the LEGO City Crawler Crane (pictured) for $39.99 plus $4.99 for shipping. That's the lowest total price we could find by $14.