Derbyworx Pinewood Derby Polished Canopy Weight 2.5oz DWXTC2501 period_WWII they give off a vapor

they give off a vapor that can irritate the nose and eyes

MAXI-CURE™ bonds fiberglass

with just three prototypes built in 1943

camouflages

Derbyworx Pinewood Derby Polished Canopy Weight 2.5oz DWXTC2501 period_WWII they give off a vaporThe 2. 5 oz. Polished Tungsten Canopys are a great way to add weight and a design feature to your racer in one part. They features a stud base for simple mounting by just drill a hole in your preferred weight location and apply with glue. Due to its very high density Tungsten is an excellent weighting material for pinewood derby cars. Only gold, platinum, and a few other rare and expensive metals have a similar density. Tungsten is approximately 1. 7