29. Ravenclaws have the (not entirely undeserved) reputation of being mad scientists and doing experiments. The first years in the other three houses are told be wary should one ask if they can borrow them for a moment or to test something out.
No one’s ever been seriously injured, but the chance of ending up blue or a tadpole or singing showtunes nonstop is too great for even Gryffindors to take the chance without asking any questions
submitted by anon