laranna - the recommendation for rusks is from 6 months, but as long as you're watching them with it, it shouldn't be a problem. They don't bite on them, they're way too hard for that yet. They just grind at it, and suck on it.

WTG on Amelie for rolling tummy to back!!
Emily will do back to tummy quite easily, but hasn't mastered tummy to back yet.