Invisible Ink UV Marker
$6.99
In stock
Only 88 left
SKU
609556013670
Are you looking for a better way to write your secret messages? How about going invisible!
For those of you who like the secret agent approach to geocaching, we offer the Ultraviolet Felt-tip Marker from our friends at Markal. This marker produces an ink that is invisible under normal light, but glows brightly under a UV or black light!
For those of you who like the secret agent approach to geocaching, we offer the Ultraviolet Felt-tip Marker from our friends at Markal. This marker produces an ink that is invisible under normal light, but glows brightly under a UV or black light!
Looking to read your secret messages? Click here to see our CacheFire UV Light.