HERE ARE SOME USEFUL LINKS IF YOU WANT TO DO SOMETHING SIMILAR:. - LEDs (about 15 cents per- I tried a bunch of different ones and these are the best ones): http://leading-leds.com/index.html - RED- 105MR2D - BLUE- 105XB7D - WHITE- 599PW04C - 3V batteries (17 cents per): http://www.amazon.com/gp/product/B002B8YJTM/ref=oh_details_o04_s00_i00 - My materials selection report: https://dl.dropbox.com/u/8504613/Materials%20selection%20project-updated.pdf - Carbon Fiber tubes: http:/