Dry Field Mapping Kit for Electric Field Visualization Base Size_2.3" Non-conductive and waterproof fifteen-meter fiberglass

Non-conductive and waterproof fifteen-meter fiberglass tape measure with PVC coating and a flush winding handle

Eight nickel-plated aluminum forks spanning C 256Hz to C 512Hz in a C-major scale

each structure individually labeled for plate-tectonics units

Seamless translucent silicon tubing in a 40-inch length with 11 mm outer and 7 mm bore

Bicycle dynamo on a 4mm-socket base with a parallel-wired MES lamp and 2

Dry Field Mapping Kit for Electric Field Visualization Base Size_2.3" Non-conductive and waterproof fifteen-meter fiberglassDesigned to let students draw their own electrodes on conductive graph paper and trace equipotential lines with a multimeter, this kit makes electric field patterns visible without high voltage.