Sneak a peek at the time piece pictured above. Recalled something? Yeah the mathematics classes and those Venn Diagrams! Letting you recall those school days, the Robot Uprising Venn Diagram Clock is one trendy wall clock that’s crafted with the hand embroidered lettering and Venn Diagram inside a 5″ x 9″ hoop. The clock uses one AA battery to display time outstandingly.