Radio Shack has two different SKUs for the RGB LED strips: 2760249 & 2760339.
http://www.radioshack.com/radioshack-3-28-ft-1-meter-tricolor-led-strip/2760249.html
http://www.radioshack.com/radioshack-tricolor-led-strip/2760339.html
Better Libraries & Other Docs:
GitHub - FastLED/FastLED: The FastLED library for colored LED animation on Arduino. Please direct questions/requests for help to the FastLED Reddit community: http://fastled.io/r We'd like to use github "issues" just for tracking library bugs / enhancements. Forget the RS Library
http://fastled.io/ Project Home of above library
Arduino RadioShack LED Strip Moving Patterns - Pastebin.com Commented code of RS code