LCD), power (e.g., 9V battery, solar cell, coin cell), and even breadboards. However, the only Arduino platform included is an Uno R3. You can still create different circuits with this board ...
The 16×2 LCD display is a classic in the microcontroller world, and for good reason. Add a couple of wires, download a library, mash out a few lines of code, and your project has a user interface.