Air analysis apparatus; Cabinets for loudspeakers; Cases for smartphones; Computer peripheral devices; Connections, electric; Eyeglasses; Light emitting diodes (LEDs); Self-timers; Stands adapted for mobile phones; Stands for photographic apparatus; Switches, electric; Telescopes; Weighing apparatus and instruments; Wires, electric; Artificial limbs for medical instruction purposes; Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts...