The toy vehicle track board has a lateral extent which can be square, oval
or circular, with a lateral extent or diameter of 15" to 60", one
preferred diameter being 30", a thickness of 1/8" to 3/4", one preferred
thickness being 5/16" and at least one track in the board extending at
least partially around the board and having a depth between 1/6" and 1/2",
one preferred depth being 3/16".