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    kevfurlanetto

    Sorry this is coming so late! I've learned a lot working with small children in Japan, and a lot of the time they mimic the sounds they hear in a 擬音語/擬態語 kind of way. The little boy seems to be describing the fizzing sound of the bubbles as he mixes, saying something like "It's making popping sounds!". This may not have made it in time for the translation, but hopefully it's useful in hindsight!

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    kazuki

    Hi

    Just my 2 cents, the little boy says "ポコン・・・だって!".

     

    I hope you will find it helpful.

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