Walmart: 30″ Fire Pit $34 02/17/2016 By MFA Leave a Comment This post may contain affiliate links, please see my disclosure policy. You can order this Mainstays 30″ Fire Pit for $34 at Walmart. Shipping is free when you select in store pickup. It includes a spark guard with lid lift and a removable grate for easy cleaning. These are so much fun for making s’mores and more! Click here to take a look at Walmart.