LOOK!!! K'nex Ultimate Big Air Ball Tower

Here is a used in good shape all pieces are there in original box with manual Knex ultimate big air ball tower. The box is in rough shape. Product Description Over five feet tall, this amazing tower is packed with anti-gravity, air blast action. Big Air Boz is being hounded by plastic balls that are pursuing him through a convoluted maze of tubes, chutes, and contraptions in this complex construction toy. Use the included step-by-step instructions to build a five-foot tower, featuring a motorized airlift, a tiny trampoline, spiral loops, spinning paddle wheels, and other Rube Goldberg-type tricks. You can also set the instructions aside and come up with your own system.