The Perpetual Calendar can be used all year around and for many, many years.
The set comes with:
1) 1 Permanent Calendar board.
2) 12 months plaques
3) 4 Seasons discs
4) 7 Moon phases discs
5) 7 Weather discs
6) 31 days discs
7) 10 blank discs for you to write down birthdays and celebrations
The boards size: 41cmWx48cmHx 6mm thick
The months size: 18cmWx4.5cmHx 3mm thick
The discs are 5cmX5cmx3mm thick
The days discs on the main pictures are Tasmanian Oak and they can be changed to other wood type.
The other items are European Poplar and can't be changed to other wood type as they are printed on not laser engraved.