2" Diameter ⅞" tall, no makers name but judging by the plastic case and tin wheel I'd guess it was made in Japan after the war. Button can appear to be stiff, but it needs to be fully depressed and when released will spin allowing the ball bearing to select a random number 00-24 Take a look at my other listings for sale, I've lots of collectables vintage, retro and antiques. Including tools, toys, games, furniture, clothing and memorabilia. I can do good discounts on multiple purchases and combined postage K75
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