SolderMag* solder station magnifier, Magnification: 1.75x/4.5x spot lens, Lens Diameter: 95mm, Batteries: AC/DC Adapter or 4 AA batteries, with built-in soldering iron holder and solder spool dispenser, with 16 super bright LEDs, Dimensions: 8.8 x 6.8 x 18.5in
Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights