There’s a game I play with teams which I use as a talking point for working collaboratively. It needs no more than 12 – 15 people, and involves three brown paper bags each containing jigsaw puzzle pieces.  I get the group to split into three teams and give them each a bag. I then give them the rules of the game: Each team has the same puzzle Solve the puzzle as fast as you can There are no further instructions Within minutes of the team opening their bags and taking the usual jigsaw solving strategies, they begin to realise that they might not have all the pieces. They often confirm…