Playing with inflatable bumper balls, also known as bubble soccer or zorb balls, can be a fun and exciting activity. Here's how to play:

1 Equipment Setup: Inflate the bumper balls using an air pump to the recommended pressure level. Ensure that each participant wears a safety harness and has the ball properly fitted to their body.

2 Divide into Teams: Split the participants into two teams. The number of players on each team will depend on the available space and the size of the bumper balls.

3 Objective: The objective of the game is similar to soccer – score more goals than the opposing team.

4 Gameplay: The gameplay is similar to regular soccer, but with the added fun of bouncing and bumping into opponents. Players move around the field, attempting to kick the soccer ball into the opposing team's goal. However, in bumper balls, players can also use their bodies to bump into opponents to gain possession of the ball or knock them off balance.

5 Bumping Rules: While bumping is allowed, there should be some guidelines to ensure safety. For example, no intentional ramming or pushing from behind. Also, avoid bumping into players at high speeds or hitting them in the head or face.

6 Safety Precautions: Make sure players are wearing the safety harness and have a clear understanding of the rules and safety guidelines. Participants should not remove their helmets or safety gear during the game.

7 Time Limit: Depending on the group's preferences, you can set a time limit for each match, or you can play multiple rounds with breaks in between.

8 Fun Variations: To add more excitement, you can try different variations, such as playing with more balls on the field, having smaller teams, or even playing non-competitive games like tag or bubble races.

9 Sportsmanship: Encourage good sportsmanship and fair play throughout the game. Remember that the primary focus is on having fun and enjoying the unique experience of playing inside a bubble ball.

10 Post-game: After the game, make sure to deflate the bumper balls properly and store them safely for future use.

Bubble soccer is a great group activity that can be enjoyed by people of all ages. However, always prioritize safety and follow the manufacturer's guidelines for using the bumper balls.