Free to roam?

Astrid is doing well and she gets her playtime everyday in a restricted area and under supervision.

Is there a right time to let her lose on a chin proof room to roam?(always under supervision)

i've seen vids were the chins walk and run around the rooms freely and i would like to manage and have her out running and playing in my room.



so is there a right time?should it be attemted now that she is still so young or should i wait till she gets older?