Wateroos are all natural flavored water drinks for kids. There is a $10 mail in rebate (MIR) available on the purchase of (4) six packs. The MIR will consist of a $10 gift card to Toysrus, Babiesrus or Whole Foods. The best place to get the Wateroos is this week at Toysrus since they are on sale for buy one, get one 50% off. Thanks Money Saving Mom for this great deal!