Place 5-10 items on a tray in the front of the room. Make sure all students can see the items. Give them 30-60 seconds to study the items, and then cover the items with a sheet.
The first person whispers a phrase to the person next to him or her, then that message is passed from person to person until the last one to hear the message shares it out loud.
You can’t go wrong with some Halloween crosswords or word searches, so I always love to have a few of these printed out and ready to go for class parties.