Get this container close to an active Van de Graaf Generator and watch the tiny conductive balls begin to bounce up and down. It looks as if the pieces are “hailing” as they skitter and rebound. The ceiling and floor of the Volta’s Hai..

A robustly-constructed electrostatic generator with an oversize, 12-1/2" dia., highly insulating polymer disk. The rigid supports, solid PVC, and high-quality bearing guarantee smooth running, even when the hand crank is turned vigorousl..

For used with product SB40813. Made of neoprene, 2" W, 0.03" thick, and 45" in circumference.

For use with product SB40923M. 2-1/3" wide x 32" circumference.

This hand-cranked generator creates static electricity. Set it on a lab table and simply crank to demonstrate static electricity. Try the electric whirl - watch the vanes spin around ever faster as more electricity is produced. Or the electric p..

It will make your hair stand on end! Made from highly polished stainless steel that resists corrosion and oxidation, this mirror-smooth and seamless, negatively-charged globe makes learning about static charge exciting and interactive. The smoot..

Astound your class with 5" sparks! Raise hair instantly - no shock hazard. 200,000V potential in humidities up to 90%. Special formula neoprene belt lasts up to 500 hours (spare included). Plastic molded base and housing, 18 cm aluminum glob..

Made of neoprene. Dimension are 3/4" diameter x 26" circumference.