What a deal! The K’NEX Thrill Rides – Panther Attack Roller Coaster Building Set with Ride It is only $22.24 right now! That’s a savings of $57.75! Build this incredible, roller coaster using the included step-by-step, color-coded building instructions. The traditional motorized chain lift pulls the coaster to the top of the coaster! Once at the top, the coaster car rushes down the track and resets for