Created by Slovenian designers and mathematicians Izidor Hafner, Mateja Budin, from the website Mathema (House of Polyhedra), here are sev...

This basic-style perpetual calendar was created by the Japanese designer UPLIFT exclusively for Canon's website.  The calendar itself ...

This beautiful Advent calendar made up of a bunch of easy-to-assemble little houses was created by the Bulgarian designer Miglena, from ...

I should have posted this Halloween calendar a few days ago, but better late than never. Offered by the great educational site Woo Junio...

As I did last year, I thought it best to post this model of a Halloween-themed advent calendar two weeks before October so that people w...