Shaw magnets magileads magnetic leads shaw magnets ml300 magleads are electrically conductive wires with tiny magnets fitted at either end which are used to provide an instant and effective electrical connection for children presented with a battery bulb and a couple of magleads making a circuit could not be easierthe magnets will work in all of the places standard banana plugs work such as power supplies test meters and crocodile clips shaw magnets magnetic leads multi coloured 300m