She has got a full-size keyboard, she's shown Blair Witch-style footage of her son playing it. He was far more competent than Jack's self-indulgent ivory assault so hopefully his dad is encouraging him to take lessons and he's not under his mother's tutelage.
I must admit I do quite often play my keyboard with only one hand at a time but that's because it is only two octaves so is very smol. Also I'm
tit at piano
![Woman shrugging :woman_shrugging: 🤷♀️](https://cdn.jsdelivr.net/gh/joypixels/emoji-assets@5.0/png/64/1f937-2640.png)
I stopped lessons twenty years ago to play guitar instead as it's way cooler and easier. Apologies to my piano teacher who would be appalled at Pet Slop Bots even though I am quite sure that my piano teacher is DEAD, EDWINA.