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This Spy Net invisible ink pen is what you need to read and write secret messages. It has a LED light to read in the dark! Spy Net invisible ink pen Read and write secret messages Create secret messages no one else can read Built-in LED light allows you to read in the dark Requires 3 AG13 batteries Recommended for ages 6 and up Brand is Real Tech Spy Net
What rules were created just because of you?(r/AskReddit)
I got the ‘one page of notes’ rule changed because I covered the page in three layers of ink. Red and green so that I could use those old 3d glasses and just switch eyes, and a black light pen.
| Subreddits | AskReddit |
|---|---|
| Number Of Links | 1 |
| Sum Of Upvotes | 332 |
| Amazon Price | $54.0 |
| NSFW Product | SFW |
| Product Type | Toy |
| Type Code | TOYS_AND_GAMES |
| Department | boys |
