![christmas mystery](http://plus.maths.org/latestnews/sep-dec06/rixmas/Presents.jpg)
Oooo.... We're getting excited! It's nearly time for our Plus Advent Calendar! The first door won't open until Sunday 1 December, but here's a sneek peek!
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Oooo.... We're getting excited! It's nearly time for our Plus Advent Calendar! The first door won't open until Sunday 1 December, but here's a sneek peek!