Upgrade kit SC-100 SC-500

Want to make the fun last? Transform the Snap Circuits Jr. (SC-100) into the SC-500 for more parts and 5x the number of projects!

Includes (42 parts): 2 instruction manuals, antenna, 2nd battery holder, 2nd LED, 2nd light, microphone, 5 capacitors, 4 other resistors, 2 transistors, diode, DEL display, FM module, analog meter, transformer, relay, SCR, adjustable resistor, variable capacitor, integrated circuits: recording, high frequency, power amplifier and more snap wires.