5. Changing mower blades

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Item: Instruction:
Intro In 10 minutes, the team has to change as many mower blades as possible. Before the start, they decide on a starting order. Every team member has to join this challenge. Watch this video Coaches are not allowed to help, only encourage.
Rules 1. The team starts from the place where the blades are, behind the start line.
2. The first team member takes a blade and goes to the machine
3. He/she changes the blade correctly and goes back to the start area.
4. When #1 crosses the line, #2 takes a blade and does the same.
5. Time is stoppen and recorded when all the blades of the mower have been changed.
6. When ten minutes are finished, the time will be 10 minutes plus 1 minute for every blade that was not correclty changed.