30pcs glowing lamp bulb miniature color coated 3-9v model making diy
30pcs model making miniature incandescent lamp
10 red 3 to 5v
10 blue 3 to 5v
10 green 6 to 9v
dia is about 3mm
it should be noted at the lower voltages the lamp would last much longer if they are driven very bright, they would soon fail.