Luke's Go-Kart

Luke's class is looking at motors and what things use motors to work. The class begins listing all the things with motors and Luke announces that his dad made him a go-kart from their old mower and everyone wants to have a go. The teacher, Miss Bell, suggests Luke to bring it to the school fair so everyone can see it and have a ride. But on the day of the fair, the go-kart won't start...