Within the first 3 seconds of the attached youtube video, you can see the LED effect we are trying to recreate.
Step 1: What You'll Need:
12 Red LEDs
Step 2: Basic Setup:
Attach LEDS, resistors, and connectors to breadboard - as seen above
Attach ground connector to ground (GND) and attach the remaining connectors to digital inputs 2 through 13, on the Arduino.
Step 3: Arduino Code
Upload code to your Arduino and enjoy!