Groupon offers the Cra-Z-Art Lite Brix Building Sets for Super Jet Fighter (pictured) or Fire Station with Truck for $19 with free shipping. That's the lowest total price we could find for either of these sets by at least $32. Both sets includes Lite Brix blocks, specially shaped parts, battery pack box, connectors, brick blocks, a decal sheet, and more. The Fire Station set includes a truck figurine and requires three AA batteries (not included). The Fighter Jet includes a pilot inside and comes with its three required AA batteries. Deal ends February 22 at 1 am ET.

Update: Required batteries have been corrected.