His spare hand came up to catch her wrist, holding her hand against his collar for just a second longer than she was likely intending. "Something... 'comfortable'." He hadn't quite changed subjects just yet. "You look good in that outfit. I'm thinking you should wear it more often, love. Probably less stuffy than trying to play a game of exploding snap in a dress, no?"
With a slightly mischievous grin his thumb caressed the underside of her wrist then let her go. "Oh, this is what I was thinking we could do." He slipped away from the door and pulled the box open, exposing a large plastic mat with a bunch of circular colored dots on it. "I found this thing during one of my... expeditions in the muggle world. I thought it would be fun for us to try."
Even before she could protest, he spread the plastic tarp over her bed.