New Delhi, Sept. 12 -- You might think of investing in stocks or mutual funds to save for a big expense, such as a wedding or a house, but what if you just have to turn to a childhood favourite game? 27-year-old Lucas Shaw did not invest in big tech stocks or even crypto to buy a custom engagement ring with three diamonds totalling 3.5 carats on an 18-karat gold band. Instead, he opted for Pokemon cards to afford this luxury.

Meanwhile, 32-year-old Justin Wilson estimates that his collection of 500 Pokemon cards and 100 sealed items is valued at around $100,000, according to a report by The Wall Street Journal.

The charming fictional characters were launched in 1996, when Nintendo introduced Pokemon as a video game. The franchise has si...