• fmstrat@lemmy.nowsci.com
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    4 days ago

    I wonder if it’s so you can get a calendar of usage tines. Could be handy to ensure kids are brushing for the right amount of time?

    • IsThisAnAI@lemmy.world
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      4 days ago

      It does that plus map areas you are missing. Probably overkill for most but could be a good teaching tool as you suggest.