This is the Pinewood Derby® Tuning Set from Revell.
Suitable for Ages 8 & Older.
FEATURES: This handy Tuning Set has everything you need to get the best
possible performance out of your Pinewood Derby® racer
The included Wheel Truing Mandrel improves speeds by making your
tires as round and smooth as can be
BONUS: Pinewood Derby® Raceday Log Tips and Tricks book
INCLUDES: Wheel truing mandrel
One sheet each of 120-, 220-, and 600-grit sandpaper
0.5 oz (14.1g) pumice powder
0.25 oz. (7.0g) tube of graphite powder
Pinewood Derby® Raceday Log Tips and Tricks book
COMMENTS: Boy Scouts of America® Officially Licensed Product