The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Japan has the most vending machines in the world (5.52 million) which is more than the population of New Zealand.
7
In Japan, gambling is illegal. However, they circumvent the law by giving out prizes instead of cash, which the winner can then sell back to the establishment for cash.
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