While we have been off twiddling our thumbs over the winter and lapping up any tiny scrap of information about the 2011 Formula 1 season, the teams were all busy creating this year's cars in top secret laboratories.
But last year's champion, Red Bull, has allowed us a sneak peek at just what goes on in building an F1 car. Unlike some of these videos, which are normally either thoroughly tedious or a marketing exercise for a major sponsor, this one is actually quite entertaining. The 1950's voiceover and the shaky black and white footage help somewhat.
Click below to see what Christian Horner, Adrian Newey and the rest of the team have been up to.