RGB LEDs are expensive though. You can buy about 200 5mm LEDs of a single colour for about 15 5mm RGB LEDs
I was happy with the price and quality of this sellers 3mm diffused blue leds I bought for a led cube project. Not sure if they have any country shipping restrictions, but you can ask them via a question link.http://shop.ebay.com/mckenkenken/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p434...
1000 LEDs for $24.99 is still a great deal right?
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via Egeo 16