You Control the Action was the slogan for this slot car set. Many of the ideas were adapted from HO train methods. At the time, it was really groundbreaking and very entertaining. I believe the downfall of this area of the toy space was hurt by the success of the Nintendo NES which was introduced in 1985. Action accessories were great ways to add-on to an existing US-1 Trucking set! I remember getting these for birthdays and Christmas. Some of these are often available New in the Box (NIB) on eBay. Click here to search all listings.
The Operating Log Loading Bulldozer was sold separately as item No.3415 from 1981-1985. This works with the dump trucks and unloading yards. Recently, hobbyists created a self-reset modification. Allows the tractor to return to its original position without pushing it back. It is listed on our 3D printed parts page.