You unhappily go home thinking how much you want it and wonder how to get the money.
Well that dilemma is finally over! Make this cheap small pocket-sized electronic eraser and save up to $10!
This is a entry to the pocket sized competition.
Step 1: Materials
- a small electronic motor
- a push switch
- a 3 volt small battery (energizer cr2025)
- 3 wires (short)
- The case (I used a i-mini white out pen)
- masking tape
-and an eraser (obviously)