Take out the stress


Infectious Disease Balls - Stress Balls - ThinkGeek (Smallpox - Green)

3 new from $ 7.99
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as of February 24, 2017 12:08 am GMT


  • Squeeze at your own risk! Each Infectious Disease Stress Ball comes in a mesh-like bag. Squeeze it hard and blisters will pop out of the holes in the bag and be a surprisingly different color than the ball itself!