Key 2 – Hint 7 – iDventure

Solution for the wheels

Set the middle wheel on 3
Set the left wheel on 3
Rotate the middle wheel clockwise (left wheel should rotate together in opposite direction)
Set the middle wheel on 6. In this position the left wheel should be on 7. The right wheel should rotate freely
Set the right wheel on 3
Rotate the middle wheel against the clock (left wheel should rotate clockwise, the right wheel should rotate clockwise)
Set the middle wheel to 4. Left wheel should be on 2, right wheel on 5