icon-close icon-dropdown-arrow icon-edit icon-google-play icon-ios icon-key icon-live-tv icon-my-videos icon-navigation-arrow icon-preview-with-circle icon-preview icon-search icon-showinfo icon-showlistings-player icon-watchlist-add Layer 1 icon-watchlist-remove

SIGN IN WITH YOUR TV PROVIDER

You’re just a few clicks away from the show you want to watch. Please sign in with your TV provider to watch this episode and other great programs.
Now Playing
How It's Made

Curling Stones, Refrigerators, Aluminum Baseball Bats and Opalescent Glass

Season 5 Episode 15
Find out how curling stones, refrigerators, aluminum baseball bats and opalescent glass are made.
  • 22 min
  • TV-G
  • Premiered 12/19/2007