Mura

the ball point game

The rules are straightforward

• Everyone is part of one big team.
• Each ball must have air-time.
• Each ball must be touched at least once by every team member.
• Balls cannot be passed to your direct neighbour left or right.
• Each ball must return to the same person who introduced (started) it into the game.
• There are a total of 5 iterations.
• EACH ITERATION LASTS FOR 2 MIN
• BETWEEN ITERATIONS, THERE IS A RETROSPECTIVE OF 2 MIN

INSTRUCTIONS

LEADERSHIP

How might you use this exercise with your own teams?

HOW DID YOU WORK AS A TEAM? DID YOU IDENTIFY TEAM ROLES? ANY DYSFUNCTIONS?

Was there any waste in the process? how did you minimize it?

PLANNING AND FORECASTING

How did the metrics help in your retrospectives during the game?

Would it be better to have one ten-minute planning period in the beginning and then one ten-minute execution period? Why or why not?

FLOW OF WORK

Were there bottlenecks? How were they identified? How were they alleviated?

Was this a pull system or a push system?

LEt's reflect on the activity ... some questions to get you going!

How may this game have turned out if a manager had directed your improvement efforts?

How did the team make decisions during the game?

Where did the leadership come from?

無駄

The Seven Sources Of Waste

MOTION

INVENTORY

TRANSPORT

DEFECTS

OVER- PROCESSING

OVER- PRODUCTION

WAITING

無駄

The Seven Sources Of Waste

tim wood, Lean Engineer

Tim Wood, Marketer

tim wood, Project Manager

Tim Wood, Software Developer

MOTION

INVENTORY

TRANSPORT

DEFECTS

OVER- PROCESSING

OVER- PRODUCTION

WAITING