Revell Kid's Beginner Pinewood Derby Project Kit
This set has everything you need to get the best possible performance out of your pinewood derby car
The wheel truing mandrel included improves speed by making your tires as round and smooth as possible
Includes 1 sheet each of 120, 220, and 600-grit sandpaper, 4 axles, 0.5-oz pumice powder, and 0.25-oz graphite powder
