Translation of invaluable

I am skipping sentences that are too long just to be sure. For example I just saw this one. Now, please copy this English sentence and place it exactly into a search browser tool. You will see that is has been copied.
This is another sentence that was missing. This morning I brought my daugther to the kindergarden as I do every morning. She is in that terrible two age and people told me that it is not an easy age.
Since when have you been learning Spanish? My children are not on Vocabulix, they are too small for it. We have no time for the normal day activities, and we are always on the move with the children.