I didn't even use the paper towels. Started mine right on large flake pine shavings. They did fine. Everything goes in their mouths when they are babies. It's how they figure out what's food and what's not.
I switched to pine shavings yesterday, they love rolling in it.
gave them some mealworms today and they went nuts.
I may bury some of the meal worms in the shavings, and watch them turn the whole place upside down !