Air Toobz*This item qualifies for oversized shipping. Once a shipping cost is calculated, we will contact you with any additional costs. Arrange the tubes and connectors in any way you can imagine. Create loops and swirls. Weave them under tables and over desks. Then, switch on the turbine and let the experimentation begin Can you make the foam balls leap from one tube to the next, or hover in mid air, or go around and around in an endless cycle? Or, what