Brainiac Foods is offering a FREE Box of Brainiac Brain Bars after rebate! Just purchase a 5-count box in one of the three delicious flavors at Walmart or CVS then upload a photo of your receipt through the online rebate form to get your rebate directly to your Venmo or Paypal account! Click here then enter your email address or mobile number on the form to receive a link to the Cash-Back Submission form. Go here for the store locator.