Iknow this is a dumb question but can a children’s piano keyboard work as well as a regular one?

It depends on what is expected to play from it. if you don't mind simple notes, then sure, but there won't be as much song complexion; meaning, depending on how many keys on the piano there are, you couldn't necessarily play all the chords of Fur Elise, but you could still probably play the simple notes.

Generally spontaneous human combustion is something that still bewilders some, human combustion happens very rarely and doesn't affect the surrounding areas, so unless you want to set your self on fire, human combustion will remain spontaneous and very rare.

The artist is fra angelico