Amp -E Textiles Electronic Sewable Highlights Generic E Textiles Electronic Sewable Brand Description: Designed to add flashy functionality to your project without taking up much space, has a small microcontroller on it, smart enough Just sew 4 LEDs and connect a battery, the LEDs will flash or disappear differently. One flashes, the other flashes in heartbeat. one will do a "breath" fade, and another will do a random fade Quick and easy to add twinkle lights to a project without any programming or a bulky master board Also a great educational tool for showing off a range of features without having to take computers out Specification: Size: Approx. 20.1 x 3.44mm Package includes: 1 Piece E-Textiles Wearable Electronics