it's funny this toy seems to exist only since 2010, i used to have something ver... | Hacker News

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croisillon 7 months ago | parent | context | favorite | on: Reverse engineering the Ravensburger TipToi pen

it's funny this toy seems to exist only since 2010, i used to have something very similar around 1991, 1992

croisillon 7 months ago [–]

ah, questron it is https://news.ycombinator.com/item?id=42338088

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