You will need
* Split pin or drawing pin and eraser
* Printout of the two discs, on separate pieces of paper. You can download them here: download
To make the calendar
1. Cut out the smaller disc.
2. Cut out the thick dark window on the smaller disc.
3. Put the smaller disc on top of the larger one, and push a split pin through the middle of both discs. If you don’t have a split pin, put an eraser underneath both discs and push a drawing pin through the centre of both discs and into the eraser. Read the full story