She got back a classroom’s worth of variations on using the spring in a mousetrap to propel a vehicle across the floor of the school gymnasium. “The only objective was they had to make it travel two meters, and they took it from there,” she said.
The car that traveled the farthest only had two wheels, but they were huge. The builders,
Colton Echols and John Arnold, used vinyl record albums for wheels, and their car traveled the length of the basketball court.
“They all did an awesome job,” Teal said of her inventive students.
So did their innovative teacher.

