ELECTRIC CIRCUIT BUZZER
This electric circuit buzz box is to be used by children to find out what materials
are electrical conductors. (You supply the battery - AA size).
Find a dozen different objects and simply touch the wires on the material and if
the sounder buzzes you have found an electrical conductor, if not it is an electrical
insulator. Write your findings on a table.
Linked to electricity, materials topics (materials that are conductors or insulators)
Not to be used with any mains electricity
PSB5- £10 Includes postage
* Please note prices are quoted for UK only please email for a quote
for rest of the world