Yep...If you click the Beer Ingredients link on the left (before you click the Ale Kits, High Gravity kits, etc.) They charge $.75 for each ice pack.
By the way, I've brewed a few of their kits and they all have turned out great.
Conditioning: Chris Colby's PM ESB, English Bitter with all the wrong hops, Kolsh
Drinking: NB Fat Tire Clone, English Pale, California Common, and NB Tongue Splitter