An ideal and unique gift for occasions such as Valentine's Day, wedding anniversaries or as a gift to your girlfriend, wife or loved ones. A fun to build kit for any electronic enthusiast. The circuit is based on 46 LEDs arranged into two hearts creating a fantastic moving light display around each heart. The movement speed is adjustable through a trimmer potentiometer. The circuit provides a built-in adapter jack that can be connected to any 9V DC adapter.