Live at
Maker Faire Bay Area 2017

With the Wonderstructs Rolling Ball Construction Kit, you can make your own amazing rolling ball contraptions.

Project Website

Andy Johnston

Andy has been working as a product design mechanical engineer for over 20 years. His passion for product design started as a child in love with wonderful construction toys.

Keith Johnston

Keith is a programmer living in Eugene, Or. He has a love of rolling ball contraptions going back to childhood. He has even made a computer game where you solve puzzles using tubes and balls!