Barbie and her DreamHorse Just $34.99 (Reg. $100)! This post may contain affiliate links or sponsored content. See Disclosure Policy. Best Buy WOW! Best Buy has the Barbie and her DreamHorse on sale for just $34.99 (Reg. $100)! The interactive horse moves and makes sounds, and it has various game modes for added fun. Plus it ships for FREE! Grab this for Christmas!