The Kaldi is a single use coffee maker. You put in a coffee, tea or espresso capsule, press one of the three buttons on the front, and your choice of beverage is delivered to the cup you've placed below in a moment. It has simple operation and is easy to clean.
The Kaldi coffee maker is available on CBTL.com
Read Eldergadget's "Guide to Coffeemakers for the Stimulated Senior" here