Invisible ink pen
ink revealed with UV light
ALLOW WRITING sECRET MEssAGEs
ALsO UsED ғOR ғUN PURPOsE As TOYs
◑ INK Is HARMLESS AND ODOURLESS
CAN BE UsED ON PAPER, sKIN, CLOTH OR WALLs
I UsED IT sONETIMEs BUT THERE Is ENOUGH INK TO UsE IT MANY TIMEs MORE....... OR JUsT TO HAVE THE ғLEx IN ғRONT Oғ ғRIENDs 😜