Wheels

Nina looks at different household inventions and finds out how they work. With the help of her trusty neurons, she examines the items to answer children's questions

Bikes are a great way to get around but if you've ever wondered how they work, you will be pleased to know that Nina has the answer.

In this episode, Tyrese and his friends Timothy and Thomas cycle in to Nina's workshop to ask How does my bike work?

With help from fabulous Felix, Nina shows the boys all the parts of a bike before taking them for a ride on an enormous wheel. In this super-spinning episode, we learn all about axels and find out how to invent a bicycle wheel of our very own.