Other flashmob ideas

• Ice cream social - A large group of teenagers in Belarus stood and ate ice cream for ten minutes in a big public area
• Chicken feeding - A girl spread out bread crumbles on the ground and people acting like chickens came and started to pick around the spot where she had spread out bread (watch it here ->  http://www.youtube.com/watch?v=t3getP2Gu0A&feature=related)
• Bubble blowing - everybody blew bubbles
• Laugh mob - A group of people laughs for 10 minutes (not so organized, but funny)
• Bicycle tricks, dance, and singing at a train station

• A huge freeze - Everybody froze in a supermarket in different positions
• Pillow fight