Revell Pinewood Derby Wedge Basic Racer, Officially Licensed Boy Scouts of America (BSA) Pre-Cut Unfinished Wood Car Body Kit with Official Wheels and Axles Officially Licensed, race-legal product of the Boy Scouts of America for Pinewood Derby races Wedge-shaped unfinished wood block formed to race-legal dimensions and ready for customization Four wheels and axles legal for BSA Pinewood Derby racesare included and ready for assembly Precut axle slots make aligning and installing your wheels much easier so you can get to the race faster Expert instructions are included to guide you through construction