A cooling system is provided for electrical components in which cooling assemblies are inserted in non-magnetic cores of the electrical components, and in which tubes provide both inflow and outflow of a cooling medium. A media player may play a first media file, which may be viewed by one or more audience members. A decorative layer imitating a natural material is applied onto the polyurethane layer. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. The second sheet-guiding member is configured to move between a third position and a fourth position. The locomotion system includes a first micropillar array including at least a first micropillar, a second micropillar array including at least a second micropillar, a control circuit associated with each micropillar of the first and second micropillar arrays, and a controller operatively coupled to each control circuit.