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Self-cooling Hat Fan #InventABitVersion

by MacHaussler

Published on February 13, 2016

This hat is good for cooling you off on a hot summer day. It uses:
  • p1 power (connected to battery)
  • i5 slide dimmer
  • o13 fan
  • hat and duct tape
McCoy (age 10)

Duration: 5-10 minutes

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