K’NEX Plastic Typhoon Frenzy Roller Coaster Building Set for $19.99 Shipped

K’NEX Plastic Typhoon Frenzy Roller Coaster Building Set for $19.99 shipped.  To get free shipping, you simply need to sign up for Staple’s rewards program, which is free and easy.  Here is a screenshot for your reference.  K’nex Typhoon Frenzy Roller Coaster Building Set contains more than 640 durable plastic pieces.  It features a 2 AA batteries operated motor for mechanical movements.  Most places have it for about $37.