"Wait, there's more than one type of physics?" Billy said. Ugh, this was a mess. This was a huge mess. Magic was already crazy enough he didn't need to be thinking about all the weird stuff science could do. There should be some sort of universal law where you only had to worry about one or the other.

"But yeah, I guess a large space is good. They've been under my bed for a while and haven't reacted. I think you have to touch them but probably safer to keep them apart."