Description

Spare pack of ten low-mass pith balls sized for the standard pith-ball electroscope

Semi-stiff nylon bristle brush on a twisted stainless steel wire handle

Giant Newton's cradle at 12

built to support full-size anatomical skeleton models in classrooms and laboratories

Demonstration electrophorus with a 9cm aluminum disc

Parallel and Series Circuit Demonstrator Pack Size_5 Spare pack of ten low-massFive bulb circuit demonstrator with 8 removable metal bars on a heavy base, letting students rearrange bars to convert between series and parallel topologies on the same set of lamps.

Exchange/Return Notes

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Parallel and Series Circuit Demonstrator Pack Size_5 Spare pack of ten low-mass

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