Downloaded from: http://primarynotes29.blogspot.com/2013/07/eternal-mirrors.html
Hold a mirror. Have a Teacher hold a mirror opposite of you, facing you. Have a child stand between both of you. Have them look in one of the mirrors. What can they see? Can they see their reflection going on forever? Tell them to imagine their family members standing with them. Tell them to imagine the family members who have come before them. Tell them to imagine the family members who will come after them. Ask them if they would like to be linked to all of those people? Tell them that is what it means to be sealed to your family for eternity.
Example of an infinity reflection: