It is really simple to take part...
Pick a date between December and January to take part, and pick a place to sleep where you can see the stars. This can be anywhere from your garden balcony, to your school playing field (with permission of course!)
It costs £10 to take part, and to help you with your challenge we will send you:
All we ask is that you try and raise £100 to help us protect play for children all over the UK.