Mr. H's Hot Wheels contest revved up excitement at school, with students from pre-K to 7th grade racing for glory. Harper Gadberry emerged as the overall champion, winning the coveted Racing Car Cup.

The competition was in Grenoble, France, but Glenn had a special audience back home in Colorado Springs: Ms. McFann’s seventh-grade math class at Chinook Trail Middle School. “I have talked (to my ...