Parallel and Series Circuit Demonstrator Pack Size_5 Five color-coded ceramic ring magnets

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

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

providing an introductory tool for studies of induction

Demonstration electrophorus with a 9cm aluminum disc

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

Parallel and Series Circuit Demonstrator Pack Size_5 Five color-coded ceramic ring magnetsFive 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.