Orange Soft Rubber Tubing, 12mm, Alternate Model Pack Size_100 Hand-painted volcanic system model on

Hand-painted volcanic system model on a 75 by 100 cm wall-mountable backboard

sized to detect small currents flowing in either direction during induction

Replacement drive belt matched to the companion hand-crank Van de Graaff generator

Converts rotation into linear reciprocating motion through a crank-slider linkage

letting students explore mechanical advantage by counting the supporting strands and measuring effort

Orange Soft Rubber Tubing, 12mm, Alternate Model Pack Size_100 Hand-painted volcanic system model onAlternate model orange soft rubber tubing at 12 mm bore, equivalent in application to the primary 12 mm model for laboratory fluid and gas connections between glassware.