Check the listing for details. Electronics Soldering Practice Circuit Board Kit - Runway Lights. Condition: New. Listed at 7.99 USD. Soldering Practice Circuit Board Kit -Runway Lights This is a board I designed for soldering practice. 47 item are to be placed on the board. 13 resistors, 2 capacitors, 20 LEDs, 10 diodes, one 555 timer chip, and one CD4017 decade counter/divider chip. A reference is on the back of the board to help with identifying the parts. Once power is applied, 2 rows of LEDs will cascade in a fashion resembling a set of runway lights. Contact me if you have questions or run into trouble. Note: this kit is not designed to teach how to solder, but to practice what you've learned. Soldering equipment is required.Thanks for looking. Check out my other kits! More to come...Soldering Practice Circuit Board Kit -Runway Lights This is a board I designed for soldering practice. 47 item are to be placed on the board. 13 resistors, 2 capacitors, 20 LEDs, 10 diodes, one 555 timer chip, and one CD4017 decade counter/divider chip. A reference is on the back of the board to help with identifying the parts. Once power is applied, 2 rows of LEDs will cascade in a fashion resembling a set of runway lights. Contact me if you have questions or run into trouble. Note: this kit is not designed to teach how to solder, but to practice what you've learned. Soldering equipment is required.Thanks for looking. Check out my other kits! More to come...