select gift: Gideon Dagan"s original Perpetual Calendar was designed for MoMA in 1998. This new desktop version commemorates the 10th anniversary of his original design. To use simply insert the stand to place the calendar on a desk and move the magnetic balls manually to mark the date and month. Made of injection-molded plastic and magnets. It can be wall-mounted or used on a desktop.708444677290 - M67729