K’NEX Supersonic Swirl 464 Piece Building Set For $12.18 From Amazon This is the lowest price for this item ever from Amazon, it has 4.6 star ratings. -Motorized for exciting performance|Figure Included|For ages 7+|Requires 2 “AA” batteries, not included -Build your own amusement park ride -Includes 464 parts with figure included! -Motorized for exciting performance Want to continue reading this post? Click here!