Build over 60 electronic projects including a finger touch lamp, a metal detector, a transistor radio, and an alarm with the 60-In-One Electronic Playground. Learn about voltage, currents, resistors, capacitors, and much more. Uses spring hook-up method. Features:Build these exciting circuits:Finger touch lampMagnetic bridgeVoltmeterMorse codeAlarmElectronic noisemakerElectronic kazooElectronic keyboardAM Transistor radioRadio announcerMetal detectorLearn about:VoltageCurrentsResistorsCapacitorsTransistorsDiodesTransformersSpeakersAntennas

