In Wisconsin , unfortunately they would be unable to ride the trails. 50cc quads are rated for 10 years old and up , and that is how Wisconsin looks at it. They go by manufacturer sticker. I'm guessing it will be similar. Wisconsin also made it illegal to ride two up on a one up machine, so no kids on back.I wonder where my 7 year old granddaughter, who’s new to riding, or my grandson, who’ll be starting to learn before he knows how to read, will fall in all of this.