In the Kids Craft section of WalMart you can buy Wiggly Eyes in various sizes - in 75, 150 and 300 ct. pks. What's cool is the pupil. Mine are .020 in thick and are a plastic. Not sure what (styrene?) but plastic cement seems to like them.
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I have an assortment in my parts box -
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Thank Ed ,I'm always looking for things like this. I can use a paper punch up to 1/4 inch. It's hard to cut small circles 1/4 inch to 1 inch with my circle cuter.
Gordon Birrell
http://www.flickr.com/photos/77318580@N00/
Gordon .. YW. Like everyone else I'm often found wandering around the store and looking at 'stuff' that could be re-purposed .
I used two of these on a tank I built once .. liked that there was a little difference (diff brand?) in diameter between the two
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Good tip!
I've also used the clear dome on a wall clock.
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The decorative outer portion of the "clock" was made from a ring-shaped necklace clasp.