k'nex Shark Attack Coaster

New in box - never opened About this item Build it: build a working roller coaster in a new miniaturized scale and awesome shark-themed graphics! Perfect for builders ages 7 and up Blast it: the new battery-powered, high-speed blaster motor shoots the coaster car screaming through twists and turns, past the sharks and back to safety! Stem learning fun: 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.