Electric and electrical components, namely, wires, transistors, diodes, capacitors, inductors, sensors, resistors and power supplies; sirens; electronic sound alarms; structural parts for electronic robots; electronic burglar alarms; kits for teaching analog, electronic, and digital electronics comprised of resistors, connectors, relays, switches, transformers, semiconductors, rectifiers, capacitors, integrated circuits, transistors, diodes, conductors, inductors, sensors, electronic power supplies, and battery holders; electronic desoldering stations for electrical repair to remove, repair and replace solder; soldering kits comprised of light emitting diodes (LED) and PC boards for teaching soldering; modules, namely, rectifier modules, voltage monitor modules, and integrated circuit modules; printed circuit boards (PCBs); blank electronic chip cards, GPS navigation device, display screen protectors for providing shade and privacy specially adapted to electronic devices in the nature of laptops, cell phones, and personal digital assistants