This is one of the coolest Kellogg's premiums from the 1970's. Tony the Tiger's Sky Ride has such a sleek look that it must have been inspired by Disneyland's Monorail.
I finally put mine together and after locking the battery in place and turning the switch, it zipped over the track. As I watched it race around and around I could picture some early 70's kid sitting on a linoleum floor in the kitchen doing the same thing.
Here's a link to a scan of the box back from The Imaginary World.