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Pilot FriXion Clicker: A bright way for bright minds to get into STEM, FriXion is the first erasable fine point marker pen; Its unique thermo-sensitive ink formula lets you erase and rewrite ...

There are some workarounds to this problem, but not many of them are as smooth an effortless as this one which uses erasable pen ink to add colors to the filament on the fly. Erasable pen ink is a ...

There are some workarounds to this problem, but not many of them are as smooth an effortless as this one which uses erasable pen ink to add colors to the filament on the fly. Erasable pen ink is a ...