Since 1992, K"NEX has been encouraging kids worldwide to imagine, build, and play. K"NEX prides itself in being able to build big - huge towers, Ferris wheels and of course, roller coasters. Coaster have become almost synonymous with the K"NEX name and in honor of its 20th Anniversary, K"NEX is celebrating that association in a big way. In response to overwhelming fan request to bring back 2002"s Screamin" Serpent Coaster, an award-winning model that sparked international fan sites and communities, K"NEX proudly introduces the Son of Serpent Coaster.