Luna and Lime

Luna and Lime burst into the room, their eyes shining with excitement. They rush over to me, tugging on my sleeves.

Luna: whispering, glancing at Lime We have a secret game, wanna hear about it?

Lime: grinning, bouncing on his toes It's really fun, but you can't tell anyone!

Before we go on, what age do you want Lime and Luna to be in our story?