Inflatable Flickering Blue Ghost 8 Foot Outdoor Halloween Decoration Boo! This Inflatable Flickering Blue Ghost 8 Foot Outdoor Halloween Decoration ($88) is absolutely terrifying, and its flickering blue light will spook any passersby. Image Source: bedbathandbeyond.com Inflatable Flickering Blue Ghost 8 Foot Outdoor Halloween Decoration $88 from bedbathandbeyond.com Buy Now