Want to make your own “Blacklight Version”? You don't need invisible ink, instead use a highlighter. : r/gravityfalls

Gravity Falls invisible ink edition

Gravity Falls Journal 1-2 Unofficial, 20x27 Cm, English, Invisible

That Mows Like A Harvest — JOURNAL 3 BLACKLIGHT EDITION REVEALED

Gravity Falls Journal 3 Limited Blacklight vs. Standard Edition

That Mows Like A Harvest — JOURNAL 3 BLACKLIGHT EDITION REVEALED

Gravity Falls Journal 3 Limited Blacklight vs. Standard Edition

Dipper's black light, Gravity Falls Wiki

This Book Sets & Collections item by TheGoodBookCo has 115 favorites from shoppers. Ships from Argentina. Listed on Jan 19, 2024

Gravity Falls Journal 1-2 Unofficial, 20x27 Cm, English, Invisible Ink, Gravity Falls Book

That Mows Like A Harvest — JOURNAL 3 BLACKLIGHT EDITION REVEALED

DirectGlow Invisible UV Ink Marker Pen with

Ultraviolet UV Spy Pen Highlighter Marker Invisible Ink Security

That Mows Like A Harvest — JOURNAL 3 BLACKLIGHT EDITION REVEALED