gear wheels, and axles. This allows more complex models to be built, which is ideal when it comes to LEGO car sets. The result are models that are more advanced and technically detailed ...

Mechanum wheels are great, but you have to have them perfectly alined or they come across a little clunky, giving your robot a herky-jerky movement. Robotics educator and supreme LEGO builder ...

CD wheels, and fabricating the rest of the rover are good examples if you take on a LEGO build in the future.

It's true: producing about 300 million tiny rubber wheels each year makes Lego the leader in tires. Now the toy legend is rolling out a huge number of scale-sized Formula 1 cars this year.