Any ideas what this is please?
This very striking plant has sprung up in my son's garden. He has not planted anything new this year and although he is happy to leave it where it is , we would be happier knowing what it is to make sure my little grandson wont come to any harm. Thanks you everyone in advance

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"We don't stop playing because we grow old; we grow old because we stop playing." - George Bernard Shaw
I’m sure they’ll wash it up before giving it to the little boy.