Coin Drop - Take a coin and try to drop and land it on your shoe without falling off.  

 Paper Drop - Drop a small piece of paper, and kids try to catch it with two fingers before it hits the ground.  

 Mirror Mirror - Face each other (or two kids) across from another.   One person moves very slowly, and the other person mirrors the movements as closely as possible.  

 How Many Can You Name - Name a category and the other person has 10 seconds to name as many things in that category as possible.  

  Thumb War and Rock, Paper, Scissors - Classics my children never get tired of.