High Voltage

25 KV High Voltage Power Supply Portable 25 KV DC Power Supply Powerful & highly efficient, our High Voltage Power Supply produces 25,000 volts (25 Kv) DC, to power a wide variety of high voltage equipment & projects. We kept extra features to a..... more info

High Voltage Cable Set Ideal for use with our 25 KV High Voltage Power Supply - or any higher voltage power supply with 'banana plug' style jacks. The alligator clip ends are well insulated to prevent fingers from accidentally coming into...... more info

Magnetic/Electrostatic Deflection Tube Deflection Tube energized. This Crookes tube consists of a thin aluminum sheet with a thin slit in it near one electrode. The slit allows a narrow beam of electrons to pass through the opening that impact a...... more info

Paddle Wheel Tube Paddle Wheel Tube energized. Also known as 'Crookes Railway Tube', this is our favorite Crookes tube. This unique tube has a paddle wheel with mica paddles mounted in such a way that it spins and rolls along a glass rod track....... more info

Mini Van de Graaff Generator > Our most affordable Van De Graaff Generator - the Mini. Perform similar experiments as with our larger Van De Graaff Generators - but at a fraction of the price. Super compact and easily portable version - perfect...... more info

Discharge Wand > Discharge Wand for use with Van de Graaff electrostatic Generators or any electrostatic generator. Provides a smooth, rounded grounding surface for maximum charge accumulation. The best way to demonstrate electrical discharge...... more info

VDG Replacement Belt >Replacement belt for our large 400kV and 600 kV Van de Graff machines. You really shouldn't need one of these, after all, the units come with a spare - and these really do last a very long time. However, if disaster...... more info

VDG Replacement Comb >Replacement comb for our large 400kV and 600 kV Van de Graff machines. You really shouldn't ever need one of these unless you lost the original. Comb fits either of the large VDG machines. Aluminum & brass construction...... more info

Wimshurst Machine   This is most likely the finest production Wimshurst Machine you'll find - and we should know, we' tested just about every Wimshurst Machine from every manufacturer we could find. For quality of construction and reliable high...... more info

Electroscope Kit Demonstrate key electrostatics concepts with this kit. Contains everything necessary to construct two flask form electroscopes. Detailed manual included experiments using two electroscopes for positive and negative charge studies,.... more info

14" Stainless Steel Collector Sphere: $205.00 17" Stainless Steel Collector Globe: $280.00 Build your own Van de Graaff Generator using these high quality collector spheres. The general rule of thumb for voltage output is 70,000x sphere radius....... more info

14" Stainless Steel Collector Sphere: $205.00 17" Stainless Steel Collector Globe: $280.00 Build your own Van de Graaff Generator using these high quality collector spheres. The general rule of thumb for voltage output is 70,000x sphere radius....... more info

Pith balls react sensitively to static charges like those from a charged friction rod or a Van de Graaff generator. Pack of 12... more info

Pith balls react sensitively to static charges like those from a charged friction rod or a Van de Graaff generator.  These pith balls are pre-strung with thread and coated with conductive Aluminum paint.  3/8" Diameter. Package of 6 Silver Pith...... more info