Can I Use Tennis Balls For Suspension In The Wooden Car? Or Bungee Cord?

Tennis balls should work for the springs in a gokart or light car design, surely? Or how about shock cord - bungee straps? Well let’s find out.. Here’s our main YouTube channel.. And here’s my online shop And here’s our Patreon page if you could spare a little to help.. And here’s the Fairtube Union’s page - If you need to contact me ... rustyironpig @