Ah, I see. That makes sense, though, and honestly, if they hadn't kept records, I wouldn't have known my birthday was in April. It's a lovely thought, keeping up with your age with the years.

[She'll smile, if a touch sadly. It was her mother that was so focused on making sure she knew her science.]

It changes color when it hits the light, like this.

[Bronya holds it up so it will catch the light, watching it shimmer.]