Up For Bid: LIONEL Electronics-Lab, Mark IV, Engineering Series... 1961...What a cool kit for the collector to display. Makes a great gift. I believe this is the largest Electronics set they made. Small parts are factory sealed so I believe set is complete. I know there was a label on front, which is gone and case does have some shelf wear and scratches. The manual still has all its paperwork and I have an extra which I'm including. See my pictures as part of description and condition......PayPal only. See my other items. Combined and Global shipping. Thank you for looking...