sorry to tell you that it doesn't erase , just use your hand and erase what you need to earse
aaronXtreme2 years ago
OK, sorry
aaronXtreme2 years ago
it's to LOUD I think , but otherwise its cool:)
searx (author)  aaronXtreme2 years ago
If it's a brushless motor it will be VERY quiet. Also, check out my other instructables in the back to school contest and VOTE for them please! :)