This is one web you'll want to get caught in with the Web Weaver Roller Coaster Building Set! This set contains over 430 classic K'NEX pieces to build a coaster standing 2.5 feet tall! It features glow-in-the-dark track, allowing builders to play at night and experience a another level of fun! The motorized coaster car is air-powered with glow-in-the-dark stickers. THis set comes with an easy-to-follow instruction manual. Ages 9yrs .

STEAMagination - It's the connection of STEAM (science, technology, engineering, arts, & math) with a child's curiosity and creativity. It powers the fun of each K'NEX set. K'NEX Thrill Rides allows each child to build bigger models that move to create an amusement park right in their home!