Come Together Kids: Mini Marshmallow Shooters (or Pom Pom Poppers) put a balloon over the top half of a stiff plastic cup, with the bottom of the cup removed. Pull of the balloon tie with the pompom inside, and POP!
These guys made a pretty legit Life Size Angry Birds set up. Youth Ministry Ideas and Games. Youth vs parents have one team build their "kingdom" and they have to protect it with "the word of God" from Satan (the ball launcher team).