Until November 29 at 3 am ET, ThinkGeek offers free shipping via coupon code "CYBERMONDAY". That's the first time this year we've seen a free shipping offer from ThinkGeek. Some exclusions may apply.
A best bet is this Astronaut Ice Cream for $3.99. With free shipping via the above code, that's $6 off and the lowest total price we could find. Choose from Neapolitan, Mint Chocolate Chip, or Chocolate Chocolate Chip.