Without sounding dumb, what is this Disney Infinity I see in Target? I could Google it but could you give me the low down on this product?
Skylanders Giants: Disney Edition.
Pretty much.
Disney saw the goldmine in the Skylanders business model: Make kids (make kids get their parents to) buy multiple plastic figurines with NFC chips in them to unlock characters in an otherwise pretty average game. Didn't even know about Skylanders until Infinity was announces earlier this year.
Disney took the game engine from their toy story 3 game and applied it to this.

You get a basic set for whatever console you own which consists of a base to "read" the characters and one character each of the first 3 "worlds", Mr. Incredible, Scully from Monsters Inc., and Jack Sparrow. Each "World" is the setting of that character and is basically a game in itself. In order to play cooperatively, you need two characters of that world (see, already getting you to buy 3 more characters right off the bat). Or any 2 characters can play in the "sand-box" mode of the game, where you can use things you unlocked to pretty much build and play whatever you want ala little big planet.
Disney took things one step further with these power discs:

These little guys add power ups, vehicles, scenery, etc to the game and are also NFC enabled. The diabolical part is Disney issued these like trading cards randomly in blind packs, making folks fork over extra $$$ trying to gets ones they are missing. Add to that exclusive figurines or power disks from Toys R Us and say good buy to your disposable income.
I'm not a fan of the power disc side of things, but otherwise the figurines are really well made, and the game is not bad, either. Is it a gimmick? Eh, I see it as Disney combining two ways kids play and profiting from it. I see the figurines no different then when I played with action figures as a kid, and the game lets them re-enact their imagination in the sand-box mode. And you know they will eventually add Marvel and Star Wars into this model. I personally tell anyone interested to wait for the sales TRU does on these. We tend to get most things 50-75% off, which lessens the pain a good deal with our collecting habits. And I've outright banned the purchase of anymore blind disc packs since when you get close to having a complete set, it makes no sense buying anymore packs when you can trade or get one cheaper on ebay (they sell these 2 to a pack for $5 !!!).