Walmart offers the 2012 LEGO City Advent Calendar
, model no. 4428, for $27.97
. Choose free Site-to-Store pickup
to dodge the $1.97 shipping charge. (Amazon
charges the same). That's the lowest price we could find by a buck. Sales tax is added where applicable. This 248-piece mini model counts down the last 24 days until Christmas as you open a new window each day.