20 Feet of single strand Fiber Optic Cable. .020" diameter with a green outside coating. Perfect for putting small lights on houses or walkways. Use with LEDs, flashing or steady. Many uses

10 Feet of single strand Fiber Optic Cable. .040" diameter. Perfect for putting small lights on houses or walkways. Use with LEDs, flashing or steady. Many uses on the model railroad or other models

10 Feet of single strand Fiber Optic Cable. .080" diameter. Perfect for putting small lights on houses or walkways. Use with LEDs, flashing or steady. Many uses on the model railroad or other models

LEDs are a modern marvel that have many uses on the Model Railroad. Click "more detail" for a primer on LEDs and uses

Bi Color 3mm Red/Green 3 Leg LED with resistor for 12-16 volt dc operation. LED changes color from Red to Green. See more details

Flashing 3mm yellow LED with resistor for 12-16 volt dc operation. Flashes about 100 times/minute. A great warning beacon or on a police or fire engine

Flashing 5mm green LED with resistor for 12-16 volt dc operation. Flashes about 100 times/minute. A great warning beacon or on a police or fire engine

Flashing 5mm Red LED with resistor for 12-16 volt dc operation. Flashes about 100 times/minute. A great warning beacon or on a police or fire engine

Flashing 5mm LED with resistor for 12-18 volt dc operation. Flashes at randomly red green & blue. slow and fast a addition to a scene

Flashing 5mm yellow LED with resistor for 12-16 volt dc operation. Flashes about 100 times/minute. A great warning beacon or on a police or fire engine