Looks like the sale will go all week guys. Get em now if you're trying to finish off your collections. They are 25 cents a pack.
Series 1 http://www.toysrus.com/buy/networking/disney-infinity-power-disc-pack-series-1-1108840000000-20405456
Series 2 http://www.toysrus.com/buy/3d-accessories/disney-infinity-power-disc-pack-series-2-1115900000000-23841326
Series 3 http://www.toysrus.com/buy/3d-accessories/disney-infinity-power-disc-pack-series-3-1117380000000-30181926