Sell [GAV2MY] 1set magic joke ball pen invisible slowly disappear ink within magic gift toys [MY] best price

Description: Widly used in file security,magic Show and other security field. New and high quality looks just like normal pen, but a great tool for magic trick The word that wrote down by this pen will disappear thoroughly within hours Make fun to your friend with this pen and good gift for your friends Material:Plastic Package Include: 1set（1pc Penholder+6pcs Pencil lead ）x Magic toy