A child comes up and puts on the glasses and faces the primary. You then write one word from your chosen song on a sticky note with a marker and put it on their forehead (hence the name of the activity – they look like a total nerd!). The primary does not sing that word and the “nerd” child has to guess what word is on their forehead. Once guessed, switch out the “nerd” with a new one and repeat!
For Jr. Primary I may tweak it a bit…the “nerd” child will quickly go out in the hall as I read to the primary the word on the sticky note and then when we sing it, the Primary will sing that word very loudly.
This runs very similar to my “Word Quing” which is also fun. You can find that HERE if you are interested.