It took me a while to figure out how to put the top clear plastic part (where the coffee beans are stored) onto the body because the instruction wasn't all that clear.  But once I did, and got it working, it's nice to just dial to the number for the servings you want and the machine grinds coffee beans to your chosen fineness or coarseness.  Easy to clean, but don't take the top coffee bean storage off the machine while the beans are in it because they'll all spill out.