This is the Official BSA Pinewood Derby Block with a Precut weight compartment on the bottom. This will save you some valuable time... especially if you don't have a router. The weight pocket rests between the two axle slots and is perfect for a variety of weights.
Here's the "blank canvas" you need to create a race-legal pinewood car that has a look and an edge that are all your own. The Basic Racer kit provides a basic wooden block that's shaped to meet Boy Scouts of America regulations. It simplifies the most challenging parts of custom racer design — you just start here and add your choice of Pinewood Derby® wheels, weights, paint and decals.
The precut weight pocket is ideal for any type of flat weights including the following: