Includes over 650 K’NEX parts & pieces and a full colour instruction leaflet Build a working roller coaster with awesome motorized dragon! The high-speed blaster motor shoots the coaster car screaming through twists and turns, past the ferocious dragon and burning castle Building with K’NEX helps strengthen fine motor skills, manual dexterity, and spatial awareness; putting them on a path towards a greater understanding of STEM subjects WHOOSH! Dont get caught by the Dragon! The KNEX 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 650 parts with amazing theming and KNEX 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 9 and up, KNEX supports key areas of a childs developmental growth, like fine motor skills, manual dexterity, and spatial awareness, putting them on a path towards greater understanding of STEM subjects. But they wont know that theyre learning; theyll be having too much fun building their own mini working roller coaster! Easy-to-follow instructions are included for a frustration-free building experience.