Stens Corporation - Biofeedback and Neurofeedback Workshops and Equipment

The leader in biofeedback and neurofeedback equipment and training

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Stress Square Card Set

$8.00


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Each 1/2" by 1/2" square of temperature sensitive material has strong adhesive backing. The squares CHANGE COLORS as temperature changes. Use adhesive back to stick the Stress Square to tense areas. Inexpensive and unbreakable, 10 degree range from 81 F to 91 F.  36 squares & instruction card 

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