Watch the animation first. Then click on the items in the fridge to see what they do. Click the corner box near milk to turn lights off. Press space to turn lights on. Click the fridge door to shut it. Press o to open it. Have fun!
When you click on the fridge drawer it will show you the inside of the drawer filled with letter magnets. Type the letters you see on the keyboard and when you are done press x to go back to the fridge. When you click on the butter, click the knife to butter the bread, and press the z key to go back. Enjoy!