Do you still use a paper calendar? Come on, do it yourself! Create your own desktop calendar with this unique puzzle calendar made up of “Lego” type building blocks. Adjust the date and day once a month and it could be used for 10,000 years! The DIY Lego puzzle calendar include dates, days, blanks and icons which will not only remind you of the day and date, but it also comes with additional blocks that you can build into your calendar to serve as reminders of important occasions. Bring your infinite creativity into full play by making your own personal calendar yourself. Size: 12x3x10 cm. Color: Blue, Yellow, Black or Red.