Liteyear calendar Credit card sized calendar. There are three versions, above is metal and edge lit acrylic/perspex. Line up the month in the slot and it shows the day and date, the indent indicates the last day of the month. The disc is not attached but held by self-centring magnets, which is not only efficient but also makes it fun to play with.
Liteyear calendar Metal standing versions.
Liteyear calendar Perspex on perspex versions.