Eloise tried to pull an innocent face but it was clear she wanted to put this particular bit of Muggle magic to the test. Or that she just thought the idea of jumping on a bed with a receptacle full of liquid on it was too good to pass up. Even with a Muggle father, Eloise's life had always been dominated more by her magical heritage, and she had only realized this deficiency in recent years.
In anticipation of whatever Wayne's verdict might be, she stood and crossed over to the cup. She picked it up and shook it gently, walking back over to the bed and perching on the edge. "Hm?"