Right now on Target.com they have their Tamagotchi digital pets Buy One Get One FREE! Prices start at $9.69, and you can mix and match however you wish, just keep in mind that your lowest-priced item will be the one that will be FREE at checkout.
Shipping is FREE on Target.com on orders of $35 or more, and as always, if you have a REDcard you will get FREE shipping with no minimum and an additional 5% Off.