Those marble machines that you play with as a child are pretty neat. I have always (okay, not really) wondered what it fells like to be the marble.

So we build a giant marble machine and go zorbing inside. I would especially enjoy the giant funnels and spirals.

The zorb has a free-rotating compartment inside that you ride in and see out of.
-- DesertFox, Mar 18 2005

Orb-o-Coaster Orb-o-coaster
Another zorb ride [DesertFox, Mar 18 2005]

random, halfbakery