A cheerful clock with readable shapes on its face. MoMA Exclusive: The MSS Desk Clock is named after an acronym for circle (Maru in Japanese), triangle (Sankaku), and square (Shikaku). The numbers on the face are represented by circles, triangles and squares. When you combine these geometric shapes, they begin to look like numbers. The shapes that indicate the time are rhythmically arranged to create a new design clock.  Features of the Lemnos MSS Desk Clock include: Powered by one AA battery (included). Made of ABS resin with a glass face. Measures 6.35h x 5.9w x 2.45"d.