This item is discontinued and no longer availableWHOOSH! Don�'t get caught by the Dragon! The K�'NEX Dragon's Revenge Roller Coaster Building Set lets your creative builder make a real working roller coaster with a burning castle and motorized 'flying' dragon. The set includes over 570 parts with amazing theming and K�'NEX rods and connectors that snap together with a satisfying �"click�", plus a coaster car and track. A motorized chain lift sends the coaster car screaming through twists and turns, past the ferocious dragon, through the burning castle and back to safety. Perfect for builders ages 7 and up, K�'NEX supports key areas of a child�'s developmental growth, like fine motor skills, manual dexterity, and spatial awareness, putting them on a path towards greater understanding of STEM subjects. But they won�'t know that they�'re learning; they�'ll be having too much fun building their own mini working roller coaster! Easy-to-follow instructions are included for a frustration-free building experience. The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.