This is an interesting and short tutorial.
A person we know actually knows some sign language and uses it in his practice so this is likely not new to him --
And another person we knew years ago was the sign language person for all Church events and activities.
But for those of you who do not 'do' sign language (including me) and are interested in learning some, you will find this verrrrrry helpful.
HERE'S THE LINK to John 3:16 in sign language