Advent calendar 2014

Happy Christmas! Here's the perfect toy to help you celebrate.
Win the race for those final christmas gifts!
"A mathematician, like a painter or poet, is a maker of patterns."
Door 19 conceals something wriggly...
Door 17 opens on 17 equations that changed the world.
A galactic journey awaits behind door #20.
Our favourite mathematical movie hides behind door 16.
Find out why it pays to be nice behind door #15.
Something for your true love is behind door #13…