This is a puzzle using gold pins. They prevent the filling of the transparent container with colored balls. To open free access, it is necessary to pull out the rods, but doing so in the correct sequence. If there are gray balls in the path of the colored balls, mix them to make them all colorful. The further you step through the levels, the more difficult the tasks will be. Solving them will surely please you in Open the Pin. The container must be 100% full, otherwise the level will not be counted.