Season 11 Episodes13
Cast1

Lynne Adams
Narrator (voice)
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Ranked #9 of 13 in Season 11•−0.2 vs season avg
Precision lenses and prisms are aligned inside binoculars, metal wire is coated with pyrotechnic material to make sparklers, liquid rubber is molded and vulcanized into waterproof boots, and hardened steel is cut and sharpened into circular saw blades.

Lynne Adams
Narrator (voice)
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"Binoculars, Sparklers, Rubber Boots, Circular Saw Blades" is episode 1 of How It's Made season 11. It scored 7.3/10 from 24 votes, ranking #9 of 13 episodes this season (season average 7.5). It aired on September 10, 2008.