Kmart offers the LEGO 405-Piece Ultimate Building Set
, model no. 6166, for $13
. Plus, Shop Your Way Max members bag free shipping
. (Not a member? It's free to sign up for a 90-day trial
; otherwise, shipping adds $6.99.) That's $7 under our mention from last spring, the lowest total price we could find by $17, and the best price we've seen. It includes a building plate, minifigure, windows, doors, and wheels.