Take it to the next step: transform your Snap Circuits Jr. into the SC-300 for 200 more projects.
Includes (30 parts): Instruction manual, antenna, microphone, 5 capacitors, 4 other resistors, 2 transistors, adjustable resistor, variable capacitor, integrated circuits: high frequency,power amplifier, 2nd battery holder, 2nd LED, 2nd light and more snap wires.
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