I have a headcanon that Hermione insists her children attend some primary muggle schooling before Hogwarts, just as she had done. Now, imagine Arthur Weasley attending his grandchild’s science fair, being the ultra proud grandfather….and yet also completely geeking out over absolutely EVERYTHING.
“That is a volcano, that is a VERY SMALL VOLCANO, how – young lady, how did you make this? Baking soda and food coloring? MARVELOUS!”
HOLY SHIT. YES.
An entire series of Arthur Weasley discovering Muggle technology would be a delight. I’m picturing him being introduced to a smartphone and being just overwhelmed with questions.
Though for many of us, of course, it would end up like this: