Make your fruits and vegetables work for you. By inserting the zinc and copper strips into the potatoes, you will create an oxidation/reduction reaction that is converted to low voltage. Enough power is created to operate the simple LED clock on the base.
• Comes with an Instruction Manual

Item 9456-50

$9.48

This compact, self-contained unit is useful for demonstrating the Lorentz force exerted by magnetic fields on moving electrons and the deflection of moving electrons within an electric field. The charge-to-mass ratio (E/M) of the electron can be determined as well. It is great for teaching physics in a classroom demonstration and for grouped student experiments.
• Comes with instructions
• 110 V/60 Hz AC
Components:
• Helmholtz Coils and Power supply unit are mounted in a wooden case with detachable front panel
• Comes with an Instruction Manual
• Adjustable, removable scale
• Power Cable (US Standard)
• 2 extra fuses
• 2 screws for ruler
• Vertically-oriented vacuum tube (bulb)

Item 3737-00

$399.00

• Video Available

Replacement Bulb (Tube) for the Lorentz Force Demo (Item #3737-00).

Item 3737-01

$206.00

This 8’’ glass globe is filled with an inert gas under low pressure. The lightning bolts are produced by the Tesla coil in the middle that creates a large potential difference within the globe.
• Comes with a detachable power supply. AC 12V 500mA UL Adaptor, 120V   Dimensions:
• Diameter of the globe approx. 8″ (200 mm) 

Item 2120-00

$36.36

• Video Available

This PVC-insulated copper wire has 2″ (50 mm) PVC-insulated alligator clips on both ends. It is useful for making circuits and electrical demonstrations.
• Color: red
• 12″ (300 mm) L
• Diameter: 2.6mm
• Gauge of Wire: 16

Item 9119-01

$0.23

• Best Seller

This PVC-insulated copper wire has 2″ (50 mm) PVC-insulated alligator clips on both ends. It is useful for making circuits and electrical demonstrations.
• Color: black
• 12″ (300 mm) L
• Diameter: 2.6mm
• Gauge of Wire: 16

Item 9119-02

$0.25

This PVC-insulated copper wire has 2″ (50 mm) PVC-insulated alligator clips on both ends. It is useful for making circuits and electrical demonstrations.
• Color: red
• 24″ (600 mm) L
• Diameter: 2.6mm
• Gauge of Wire: 16

Item 9120-01

$0.40

This PVC-insulated copper wire has 2″ (50 mm) PVC-insulated alligator clips on both ends. It is useful for making circuits and electrical demonstrations.
• Color: black
• 24″ (600 mm) L
• Diameter: 2.6mm
• Gauge of Wire: 16

Item 9120-02

$0.35

PVC insulated copper wire and 2″ (50mm) PVC insulated alligator clips on both ends.
• Color: Red
• Length: 36″ (900mm)
• Diameter: 2.6mm
• Gauge of Wire: 16

Item 9121-01

$0.22

This pot is for use with voltaic cells. It is an unglazed porcelain cylindrical cup. The pot is a simple but useful tool for electrical experiments and demonstrations.
• 1.38″ Dia. (35 mm) x 3″ (75 mm) H

Item 5312-01

$0.88

This handheld crank generator produces up to 6 volts of DC electricity and is a great power supply for many experiments while demonstrating the conversion of mechanical energy to electric energy. Other devices can be easily connected to the lead wires with crocodile clips on the front of the generator. It is housed in a tough transparent plastic so all the components can be easily observed.
• Comes with a Teacher’s Guide
• Spare leads and gears sold separately

Item 4225-00

$7.19

Use these spare lead wires with our Hand Generator (Item #4225-00).

Item 4225-10

$2.00

Use these spare gears with our Hand Generator (Item #4225-00).

Item 4225-20

$2.00

This is a great buzzer for science fair projects. It works on 1.5 V DC (any AA, AA, C or D battery will do). Create your own circuits or test batteries and solar cells with this buzzer. Connect it to a battery and a key switch to make your own Morse code circuit.
• Includes attached leads, 1 red and 1 black, 4″ (10 mm) L
• Buzzer housing includes 2 screw holes for mounting
• 0.5″ (13 mm) W x 1″ (25 mm) L x 0.5″ (13 mm) H

Item 4009-15

$1.25

You can use this meter as a voltmeter and as an ammeter, simply by sliding the scale. It is very convenient for demonstrative applications.
• Comes with a Teacher’s Guide
• 100 uA – 5 A
• 100 mV – 50 V

Item 3232-30

$13.48