It amused Zach how still Colin was, simply because Colin was rarely that still for long. And if Charms were not Zach's strengths, it really would have been necessary. As such, he really appreciated it - and even though they were - he appreciated it again. Some of the spells had been taught at Hogwarts, but Zach doubted most people remembered how to do them so easily. They weren't exactly used on a daily basis or regular even for most people.
"They both sound great," Zach grinned, wondering whether paint worked well with fabric. But both of them sounded really fun and such. For Zach, Colin was the point, and thus either of them was good. "Mmm, either. Both," Zach looked at the sheets with a smile, "How about the paint? I don't want to limit your creativity if you want a color in the markers though."