Oh good, it’s an optical mouse with a built-in fake fish tank. Now I know exactly what not to buy anyone for Christmas. Fake fish are so busted, anyway; when do I get the mouse with real, live Sea Monkeys?
Read [Akiba.SorobanGeeks]
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USB-Powered Fishtank [Gizmodo]
https://gizmodo.com/usb-powered-fishtank-9382