Slot cars... I had Scalextric as a boy. It lived in an old leather suitcase under my bed. Now my boys and I have a permanent setup on the mezzanine floor in my garage complete with scenery. If you have the space, get one and share it with your children.... though don't forget to let them have a turn every now and then! Jayde Deverson - Garage Mahal International.
lets isolate cars like this, and put grocery-conveyer-belt-esque partitions in the front and back of cars, like a cushiony bumper, and make the interiors of vehicles into comfy pod bubbles that an egg wouldn't crack in, yeah... -Hop