OVER 470 PIECES - The K'NEX Cobweb Curse Coaster Building Set contains 473 parts to create a working roller coaster!MOTORIZED CONSTRUCTION TOY - This set features a battery-powered motor that gives life to connected K'NEX rods and piecesInstruction booklet - this set comes with an instruction manual that provides step-by-step images to build the cobweb curse roller coaster. Instructions for a second coaster can be found online
