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At the start of Chapter 4 inMachinika Museum, players will need to open up a mysterious container, where they will find a strange rock inside. After unlocking the item, you’ll need to do a bit of research on the rock and learn more about its origins and its uses.
If you are currently stuck on any of the puzzles in Chapter 4 ofthe popular puzzle gameMachinika Museum, this article will show you how to complete all the required materials. The first step will be opening the container, and then followed by the puzzles you’ll need to solve on the stone itself.

How to Open the Container in Machinika Museum Chapter 4
Just like inprevious chapters ofMachinika Museum, you’ll need to open a container first. To start, pick up thenotein front. Then, go to the back of the container, where you’ll spot a smallred buttonon the bottom. Pull this to the right to open up the door, and then take out the blue key.
Now, go back to the front of the container and go to the top where a silver keyhole is located.Insert the blue keyand twist it, and then turn the silver handle above it to open the lid. Then, go to the top of the container and twist off the lid. Pick up the small pyramid and note found inside.

Finally, go back to the front of the container where you’ll find a passcode lock. Put in'237' based on the noteyou picked up. Then, twist off the second half of the lid to successfully take out the alien rock from the container.
How to Complete Chapter 4 in Machinika Museum
After you’ve removed the rock, it’ll be placed on theanti-gravity machine you obtained fromMachinika MuseumChapter 2. Start by spinning to the back of the stone, and zoom in on the circular spot near the bottom. With the three shapes, spin them until thegolden circular parts matcheach other, as shown above.
Then, press down on therightof the golden circle in the middle. You’ll make your way over to the right side of the stone, with a hidden area full of blue rocks. Here, place thepyramidin the middle. Spin the top yellow piece so it is facing the left, the red piece will be facing the right, and the blue piece will also be facing the right. Then, with the crystals surrounding the area, spin the two bottom right ones once, and the top middle and top left ones once.
Now, zoom back in on the golden circle that you pressed earlier. Press the circle on theleftside this time. Zoom in on the contraption sticking out of the left side of the stone. Spin the three segments on the contraption until they match the pattern in thesecond image above.
Zoom in on the rectangular cover with the two yellow lines around it. You’ll want to move the pieces until they match thepattern shown in the second image above,creating a line similar to some puzzles inAnimal Well. With the pattern inputted, take off the cover on top of the stone. Then, slide the two bronze circles here until they match the locations in the fourth image, lining up the bronze circles in the middle.
Inside here, pick up both metal spheres. Then,duplicatethe first metal sphere in your inventory, and place those two back in the slots in the stone. Then, look at theback of the damaged spherein your inventory. These are the color patterns you are going to want to follow. You can twist the two metal spheres here to change their color. Follow this order to complete the fourth chapter ofthe puzzle mystery game: