Free Pampers/Similac Sample Kit This post may contain affiliate links. Please see my full disclosure policy for details. December 18, 2012 18 Dec Pin0Share0TweetGoogle+0shares Walmart has an offer for a free Pampers/Similac Welcome Joy kit available. Head over here and click the blue “Request Kit” button, fill out the form, and one will be sent to you. *This offer is available while supplies last.