Super Charger Rally & Freeway Set Hot Wheels 1969 Mattel Vintage No Cars or Case

Condition: Track pieces have light wear and need cleaning. Curved track pieces have tabs intact. The curved track has some stress marks (see photo); straight track may have some fading. The power boosters were tested. One had a clean battery compartment and worked. Second unit had significant corrosion in battery compartment. Tried to clean but not currently working (see photos for condition). Lap counters were not tested. One has a rubber band underneath the other does not. Not sure if the band is necessary for operation. Lap counters have stray pencil marks on bottom of units. Sticker Condition: Stickers on lap counters and power boosters are all intact but have brown age spots. Good adhesion on stickers. Zoom in for greater detail on parts. Papers: Instructions for Super-Charger Rally & Freeway Set Sprint Set have some wear with discoloration of paper, some stains and small rips along crease line. Original staples intact.