5 Electric Shock Toys from China

Today, let's have fun with yet another collection of dodgy Chinese toys that give people electric shocks as a questionable kind of prank. Let's also take a look inside, see how does it work, reverse engineer the schematic and do some measurements using my multimeter and oscilloscopes. All of those electric shock gadgets are very cheap on Ebay, about 1 - 3 USD.
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