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 about 1.7 times heavier than lead and 3.2 times heavier than the zinc ("lead-free") weight often used on pinewood derby cars, thus it allows a tremendous amount of freedom in the car design. Also tungsten is completely non-toxic and environmentally friendly. Click Here for a weight comparison chart.
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