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. 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 lamp Magnetic bridge Voltmeter Morse code Alarm Electronic noisemaker Electronic kazoo Electronic keyboard AM Transistor radio Radio announcer Metal detector Learn about: Voltage Currents Resistors Capacitors Transistors Diodes Transformers Speakers Antennas

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