Blinky lights, in all shapes and sizes, are always a good thing to have. These micro LilyPad LEDs cover the tiny end of the size spectrum, and come in white, red, yellow, blue and green.
If you wanted to stick a needle through a single point of light to sew it onto cloth, this is for you. By removing the resistor and changing the orientation of the surface mount LED, the board becomes a lot smaller than the standard LilyPad LED. The solution works great with with sheer fabrics, where you want to avoid unnecessary weight and exposed board space.
Note: Because the board itself doesn't include a current-limiting resistor, it's possible to over-power them and possibly burn them up. The high resistance of conductive thread can help protect the Micros from high current, so long stitches can be used with most power sources to keep the power levels 'Micro-friendly'. If you aren't sure where to start with resistance and current, using these in conjunction with a LilyPad Simple or Main Board is a great place to start, because they both have built-in current limiting and can't burn up your Micros.
Note: These are sold in strips of five boards which can be snapped apart with pliers. Some, however, may come as loose pieces that are already snapped apart.