Each Pinewood Derby racer need tuning set, but not just any old tuning set, it has to be the Official Pinewood Derby Tuning Set. This kit will get you the best performance possible to be number 1! This kit will help tune you wheels, polish your axles, and increase your speed.

Includes: A mandrel. 4 shiny Axles. 1 sheet of 120-, 220-, 600- grit sandpaper. .5 oz Pumice Powder. .25 oz Tube of Graphite Powder. Easy to use instructions, also a Pinewood Derby Tips and Tricks bonus book.