Walmart offers the Oball Roarin' & Rollin' Gift Set for $8. (Just for Prime members, Amazon charges the same, however it has a one to two month shipping delay.) Opt for in-store pickup to dodge the $5.99 shipping charge. That's the lowest price we could find by $19. This set includes the Rattle & Roll Car, Oball Classic, Roar-O-Rattle, and Clickity Twist.