hey guys. so i saw like a color change light in a bar. it changes u know from green to yellow then orange and then red and so on but very slowly and i was fascinated by it so i was wondering can i do the same with some rgb leds? or is there such a product that u can buy already? btw the only rgb leds that i have at my store is a 1W or 3W but they cost 20 bucks.. can i buy some cheaper online? thanks