I'm impressed how easy it works!
The writing is really invisible unil you light up the writening with the UV-LED.
It's easy to hide an additional message in a letter.
Maybe really more than just a toy! Read more
Works as advertised. Nice fun. Cons:
- Came pre-installed with 3 battery's however these were already depleted. :(( Luckily there were 3 spare battery's I could use. - You can read what is written due to the indention the pen leaves in the paper. Read more
It works great. The pen comes with batteries installed as well as three extra batteries. It writes easily like a normal pen but the "ink" is very light. The light that reveals the ink is bright and it works even in bright rooms. You can read what is written due to the indention the pen leaves ... Read more
This is quite a pen, a serious novelty product everyone to whom I have shown it is amazed by it. I would not like to exagerate but it is quite fun and novel and marvel. I take it with me everywhere I go, so always yes.
This is quite amazing, a preposterous tool The only con I would consider here is its ... Read more
Very nice, works as described, really looks fancy. It is not heavy, and the ink goes easy in any surface. Works on paper, skin, and so on. The material is not that great, but it does not matter as it is for fun only A friend will use to paint people's faces and when the party is on, he will turn on the ... Read more
It is a very nice gadget. A nice silver pen that can be used by children as well as older man. It is a great gift, and such an inovation. I liked it very much and was expecting it with great joy. The only con I could think about is its price, which has gone up a bit and now the pen is not exactly what ... Read more
this pen actually looks like a real pen. this is great for kids, they have fun for hours, to draw on or to write hidden messages everywhere however, the button to turn the revealing light is a little soft, and most batteries do not work very long. In addition, the pen leaves a mark on the paper when ... Read more
Very cheap. Works as expected. Batteries included. Very weak. As it is made of cheap plastic, is getting broken by the use too easily.
I use it on a daily basis, and would have to buy another one, but this time I will look for a metal one. Perfect as a backup tool to check money and ID's
The LED works ... Read more
fun little toy, looks very much like a regular pen the led looks like the button to pop the ballpoint and it comes with extra batteries that probably will outlast the ink... It nontoxic , my hands didn't grow tentacles from drawing on them... hard to replace the batteries (they keep turning upside down ... Read more
Good product. Now you can practice Harry Potter's magic. Use the invisibility ink and then with your magic wand (pen) reveal everything. I really like this product, and I will order more. The customer service is great here at TinyDeal. Truly amazing product. Very useful even as a currency checker. Maybe ... Read more
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