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Calendar is everywhere in people’s life ,but when the times gone ,the calendar will be theow away in one day and it’s a waste of resources . So we design the “Calendar Box”. It can be use periodicly. When the day goes, you need to turn the wheel and the date is changed. When you have some important thing in the future ,you can use the note sticking on the “Calendar Box”. When you are in that day, you will notice the note.
Chongqing Technology and Business University