K'NEX DoubleShot Roller Coaster

Build a GIANT dueling roller coaster! Over 1,100 K'NEX pieces for the ultimate roller coaster building experience. 2 dueling coaster cars race through 32+ feet of twists and turns - who will make it to the bottom first? The DoubleShot Roller Coaster builds over 3.5 feet tall and includes a motorized chain lift. Go to knex.com to download instructions for a 2nd awesome coaster model. Ages 9+.