Parallel and Series Circuit Demonstrator Pack Size_5 Demonstration electrophorus with a 9cm

Demonstration electrophorus with a 9cm aluminum disc

Five color-coded ceramic ring magnets at 46mm diameter mount on a 15cm wooden dowel

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

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

supplying replacements when the originals lose loft or split during repeated charging cycles

Parallel and Series Circuit Demonstrator Pack Size_5 Demonstration electrophorus with a 9cmFive 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.