Well, it often happens that young couples, mothers, and fathers bring their children to the community because they cannot leave them in the pew. This is a beautiful and visible sign of what Christ said: "Let the little ones come to Me," and they are indeed coming to Him.
They are in His real presence. I think it is a very meaningful and grace-filled moment for these little children, who are innocent.
However, I would suggest, practically speaking, not to touch the children with the priest's fingers, especially when he is holding the host. It would not be meaningful to make the sign of the cross on the children's foreheads, as there could still be fragments of the host on the priest's fingers. Instead, the priest can simply make a small sign of the cross from a distance above the child. Would be possible.
Dear visitors of Gloria Dei and all who have already written or who will write a personal message to me. I am grateful for your attention, your kindness, for your spiritual support and especially for your sacrifices and prayers for me. God may reward you!