Racing go-karts are fun to race.
I love riding go-karts, which is an open-wheel car.
Once I rode some that looked like bathtubs. 
That's hilarious. Go-karts come in all shapes and forms.
It does make it more fun to try different ones.
Go-kart
A go-kart, also written as go-cart (often referred to as simply a kart), is a type of open-wheel car. Go-karts come in all shapes and forms, from motorless models to high-powered racing machines. Some, such as Superkarts, are able to beat racing cars or motorcycles on long circuits.
Gravity racers, usually referred to as Soap Box Derby carts, are the simplest type of go-karts. They are propelled by gravity.
formation. The race official/starter starts a timer when he or she puts the green flag up and holds the flag in the air until he waves it and the karts take off. Road racing starts - similar to endurance motorcycle racing and pre-1969 sports car events - are very exciting to witness and participate in.
The speeds go-karts reach at Road Racing events is perhaps the most intriguing part of the WKA Road Racing Series. 250cc karts, which look like small Indy cars, and dual-engine enduro karts