This is a simple adaptation of 10 pin bowling which is very easy to play, but a fun way of involving everyone in a group. Numbers: groups of 11 or over (10 to act as pins and 1 to bowl). Suitable for: anyone. Preparation time: none. Venue: any open space or hall. Safety First: Despite having large exercise balls thrown at each other, this is quite a gentle game. Watch out for people accidently diving into each other. Equipment needed: Tape ...