Yugster offers the Star Wars Blast & Battle Lightsaber Hot Wheels Car Launcher in Luke Skywalker or Darth Vader for $19.97. Coupon code "FreeYugBuck" cuts it to $18.97. With free shipping, that's $21 off list and the lowest total price we could find. Each set comes with a Star Wars-themed diecast Hot Wheels vehicle, pullback, and three-speed race track shaped like a lightsaber.
Note: The countdown timer on the Yugster product page does not reflect an actual expiration time and resets daily.