Claudia laughed at the batteries and took them, tucking the package into one of her deeper jacket pockets. "Considering me with electronics, I should probably just buy in jumbo packs or something."
She continued to tinker with the toy, even pointing it at her own face at one point as she tried to examine the full amount of the toy's capabilities with the lights and noises as they walked. It was a very good way to keep Claudia's attention. She also started to go on about the basics of who - more or less just covering the Doctor's physical make-up. How many hearts, how many incarnations, and so forth.