Spectacular 500 kV with our supersized collector! 
Fully assembled - no shock hazard. 
Sparks up to 20cm in humidity up to 70%. 
10 microamp output - hot, fast yet safe. 
On/off switch, and two ground terminals. 
Spare neoprene belt. Transparent butyrate column resists static. 
38 1/2" high. 

Our standard model 615-3145 500kV Van de Graaff generator will jump sparks, raise hair, light bulbs, and any number of experiments and demonstrations. Great way to study electrostatic principles. We suggest using our 615-3115 Discharge Wand for best results and maximum spark distance. 

This item ships oversize. Oversize fees will be added to your shipping.