Hey, how do I download it?
This is a warmer, and there is nothing to download. It's just an idea for your lesson, not a worksheet.
This activity requires no preparation.
The students must ask each other questions until they find three things that they have in common. They must be things that are not obvious. For example, they can't say 'we both have black hair'.
It is easy to model the activity interviewing a student until you find three things that they have in common with you.