First LEGO League Mission Model 1

This mission is quite tricky to solve: there are two wheels, the robot has to turn, but because of the friction, this is rather difficult!
By turning the wheel, an arm gets moved, which shows the number of received points.
Yellow are 10 points, green are 20!
You can reset the model by pushing down the arm.

The following video shows a possible solution: an arm with a spinning wheel:
#contest
#first lego league
#robot
#mechanical
#machine
Image attached to challenge
Winners announced
Design a First LEGO League Robot mission model!

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