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Picture of Sugru feet for Arduino
Arduinos are great, but the exposed circuitry on the bottom could short out if accidentally touched to something conductive. We made tiny feet from balls to Sugru. Sugru is non-conductive, and it also lifts the Arduino up a little off the surface. 

Materials:

1 Arduino
1-2 packets of Sugru (depending on the size foot you would like)

Step 1: Roll Sugru into little balls

Picture of Roll Sugru into little balls
Roll into 4 small balls. Here we show two balls with an Arduino.