Aye, there’s the rub, as it were. Lukowski’s cone-tipped electric eraser, he argued, could better handle the fine detail. An electric eraser could also be a timesaver. In the days before ...

PREMIUM QUALITY-- Made from high quality plastic, durable and very convenient.It can be directly put into a school bag or handbag, you can use it anytime and anywhere. SIMPLE OPERATION-- Powered ...

There are some inventions that look completely pointless to the untrained eye: who would ever need a motorized garbage can, an electric pencil sharpener or a battery-powered eraser? Quite often ...

There are some inventions that look completely pointless to the untrained eye: who would ever need a motorized garbage can, an electric pencil sharpener or a battery-powered eraser? Quite often ...