Van De Graaf Generators A range of kits and accessories to make high voltage Van De Graaff Generators 400mm Van De Graaff (VDG) Generator kit – 180KV £90.00 Read more LCD Humidity Meter Thermometer Sensor £4.80 Add to basket Van De Graaff (VDG) Generator kit – 150mm – 40,000V of sparky fun. £26.40 Add to basket Tweet