http://www.instructables.com/id/Arduino-and-Touchpad-Tic-Tac-Toe/

http://www.instructables.com/id/Milk-Bottle-LED-Lights-Arduino-Controlled/

http://www.instructables.com/id/Twittering-Laser-Tripwire-with-Webcam-Capture/

i like to use the Arduino to do the project. The ones i pick they have lights that can make by hands. Plus it doesnt cost a lot to do this project. Most of the parts are not hard to find and easy to buy the parts.