Here come Gravity Games; look out below.

How big re the Gravity Games going to be?

So big that Toyota will us the alternative sporting event as a major vehicle to tune a younger generation of drivers into a new car called an Echo and a Celica redesigned to appeal to Generation X.

So big that NBC Sports also sees them as an opportunity to capture a viewing audience that it believes simply relates better to skateboards and street luge, than home runs and touchdowns.

The formula has worked in the past. In fact, the Gravity Games can clearly trace their roots to the enormous success of the ESPN Extreme Games, which made their own debut in Rhode Island, invading Water-place Park, the steep hills of the East Side, Roger Williams Park and Newport in the early 1990s.

So big that Rhode Island expects to enjoy a $100 million economic impact during its …