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Fortune Teller Fish

by Flinn Scientific

Item #: AP5449

Price: $2.52

12+ items: $2.16

Using the Fortune Teller Fish - Hygroscopic Polymer Demonstration, place a fish in your palm and watch it curl up. Have students hypothesize about how it works and why. Is there a scientific basis to it, or can it really tell your fortune?

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Place the fish in your palm and watch it curl up or even flip over. Have your students hypothesize about how it works and why. Is there a scientific basis to it-or can it really tell your fortune? Made of a hygroscopic polymer, the red cellophane 3½" fish expands as it absorbs water. The moisture from your hand therefore determines the amount of curling or movement of the fish. An interesting phenomenon! Sold in packages of 12.