K’NEX DoubleShot Roller Coaster

Coaster builds over 3.5 feet tall
Over 1,100 K'NEX pieces
32+ feet of track
2 coaster cars and a motorized chain lift
Color-coded instructions included Build a GIANT dueling roller coaster! Over 1,100 K'NEX pieces for the ultimate roller coaster building experience. 2 dueling coasters race through 32+ feet of twists and turns- who will make it to the bottom first? The DoubleShot Roller Coaster builds to over 3.5 feet tall and includes a motorized chain lift. Color-coded, easy-to-follow building instructions are included. Go to the More »