Albus tilted his head, fixing Al with a steady blue stare as he listened intently. It sounded interesting, and he found himself wondering what applications there could be for giggling charms. Mood altering, he supposed. Still, the second point caught his attention before he could ask. "What sort of thing?" He questioned. "I don't suppose official sanctions are all that important any more."
"You'd be very welcome," Albus agreed "Do you know the second transfiguration classroom? I'm in there most afternoons." He was sure that would change once the students arrived, but for now Albus had plenty of time to indulge his curiosity. And he had never been reluctant about sharing his work.
"I charred it. Here." He reached out and pointed to a dull, singed spot on one side of the lump. It was, rather disappointingly, still fairly clear once you noticed it, especially in the light. "Perhaps I should have started with some greater damage," he added thoughtfully. "I thought better to walk before I ran, but perhaps it was too subtle..."
It was helpful, talking through his work. As much as he enjoyed theoretical discussions with Regulus Black and making plans with Professor Snape, there was something to be said for discussing things of a more practical nature.