
Jon writes - "This is an electronics kit I had as a kid. Inside each interlocking translucent block is an electronic component, ranging from a resistor to a basic amplifier. This is seth came with 54 assorted blocks, test leads, battery case, meters, microphone and more. The manual contains 160 combinations for these blocks ranging from a simple circuit with a lamp to a transistor radio." - Link.
Bloc-Tronic electronics toy
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There was something made in Japan that was very similar:
http://en.wikipedia.org/wiki/Denshi_block
Actually, it looks like they are being made again - awesome!
http://en.wikipedia.org/wiki/Gakken_EX-System
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