It's roomba-shaped, I don't know if it actually funtions like a roomba. I have to look into my notes, but lol doesn't it XD

Senku wouldn't actually think of that because he doesn't really know what magic can and can't do, it would definitely be a conversation worth having. I had meant to put a tinkering thing in his top level and forgot, but if you want to hit him up with a wildcard in that area, go for it.