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
conductivity tester, handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts, Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs
Lead Free Solder with Easy Pen Dispenser, Cheap solder ruins irons, destroys projects and makes smoke billow from our ears, affordable, flows and melts beautifully, best dispenser, saves a lot of solder, No longer break off sections of solder
Deluxe Learn to Solder Kit, contains: SL-75 Variable temperature station with conical tip, SL-75T2 Wedge tip, SP-1A Solder practice kit, ST-1 Side cutters, SE-1 Solder ease kit, Dimensions: 18 x 16 x 10in, Temperature range: 350 deg to 900 deg F