Dug out a maze I had forgotten I had for the rats' free range time today.
They're still getting used to things and are a bit nervous. I'm charmed that their instinctive reaction, when they're startled, is to run to me and try to hide inside my clothing.
Too early to say much about their personalities but Zen seems confident but reserved, and Twyla a bit more sociable.
Twyla often grooms Zen till she squeaks so I guess she thinks she's the boss of the cage.