Meet the Electro Dice Machine: an electromechanical dice that gives you a two new pairs at the push of a lever. It has two lights underneath that spin at a high speed to give you random numbers. As you can see in the video, this toy can be a bit noisy.
More gadgets like this: here
1970s Electro Dice Machine by Waco -- Gadgetify
The Electro Dice Machine started selling in the 1970s. It is pretty rare but shows up on eBay regularly.
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