This Smartmey UL2272 Certified Self-Balancing Hoverboard drops from $399 to $172.99 at Walmart.com, a savings of 56%. Plus it ships free. This is the lowest price we found by $67. This hoverboard is equipped with an original Samsung battery, features easy-to-control functions, and is available in Black, Blue, or White. Sales tax is charged in most states.