Knoxville, Tennessee A Knoxville man took a hobby of building slot cars to a whole new level.
As Local 8 News Anchor Alan Williams found out, it's a big business now selling them all over the world.
What was looked upon for years as a child's toy has entered the world wide arena of competitive sport.
Many people called them Matchbox cars, but these slot cars can run into the hundreds of dollars.
It's now a job, not a hobby anymore to Willie McCauley who sells them all over the world to big kids over the age of 40.