Sears offers Skylanders: Spyro's Adventure Starter Pack for
or Nintendo 3DS
with free shipping
. That's the lowest total price we could find for either platform by at least $8, although we saw the Xbox 360 version for $15 less with pickup only in December. Sales tax is added where applicable. It comes with the game, three figures, the Portal of Power, and more.
Update: The Xbox 360 version has since sold out; however, the Nintendo 3DS version is still available.