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This is an innovative design of a coin bank, which bottom shape comes from the tumbler. The tray on the top of the coin bank can be used for temporary storage of coins, which is convenient for users to take when necessary. When the coins are not used for a certain time, they can be collected by tilting the other side of the coin bank. The tumbler coin bank is simple and charming, it provides users a good interactive experience in the process, which is very interesting.
Shenzhen Technology University
Southwest technology university