Like... This is strange, but I could also see them being kind of fun. You can even play chords by stacking them and pressing down. Also, a cool way to get younger kids into making music.
Ruko 1701 Musical Cats Piano Keyboard Toy
This definitely reminds me of that movie wall-e but apparently it can help teach your kid STEM stuff!
Miko 3 AI Smart Robot for Kids 5-12 Red
What kid doesn't want a pet robot? And on the plus side, you don't have to take it for walks, feed it, and pick up it's poo when your kid gets bored of it.
ENERGIZE LAB Eilik – Interactive Robot Pets
I had one of these when I was a kid and it was super cool. Rocks are sweet.