Santa's sleigh has to get to every house around the world in one night - but how does he do it and how do aerodynamics help and hinder the sleigh?

<p>Santa's sleigh has to get to every house around the world in one night - but how does he do it and how do aerodynamics help and hinder the sleigh?</p>

We're the UK's children's radio station. Listen across the UK on DAB Digital Radio, on mobile and online at funkidslive.com.

<p>We're the UK's children's radio station. Listen across the UK on DAB Digital Radio, on mobile and online at funkidslive.com.</p>

Advertisement