Ginny almost jumped at the voice in the quiet, and she glanced back to the woman, offering a nod and a slightly warmer smile. "In our museum, they'd be moving," she reflected as she glanced back to the bones. The impish, prankish part of her that was indomitably Weasley wanted to charm the bones to do just that. Fred would have, she reflected as she studied the bones with a very considering look in her eyes.
But no, she was a woman grown and a mother and playing at being a Muggle. Muggles didn't make dinosaur bones move. Though really, she reasoned, they probably would if they could.
It was tempting, even if to do it just for a moment, but she reasoned she shouldn't. With her luck, someone would walk in and there'd be a need for an explanation. She didn't think panicking the woman would be a concern; she didn't really look like the panicking sort.
"Are you waiting for someone?" she prompted, more out of curiosity and a desire to see if she'd guessed right.