Electric Engraving Pen seller NutsWire
It's $5.80 (batteries not included) + $3.99 for registered mail & the item is delivered within 5 days!
This morning we tried using it on metal surface
Works pretty well & it's quite easy to use, but have the right angle. These are done by my sister
This is done by me.. haha
Then I tried using it on plastic.. looks a bit ugly thou.. hahhahahha