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jacquie
Reviewed in the United States on February 22, 2025
I buy these pens to add to the classroom prize box. They are a great value for the money. The brightness and writing quality is very good. They are fun to use and my students really enjoy using them.
Netivah
Reviewed in the United States on February 11, 2025
These work well and with other invisible ink pens
Fredia H.
Reviewed in the United States on January 22, 2025
Pens work very well, as do the lights. This was an absolute happy childhood memory for me and I loved that I could share it with my grandkids.The magic still lives and the grands and I will now write "secret" letters to each other.Great tool to encourage writing skills in younger children in a fun way.
Sean&Amanda
Reviewed in the United States on December 31, 2024
The klumuke Invisible Ink Pens are decent. They do what they claim and the ink does work to glow with the little lights that come with the pens. You get three pens with lids and three keychains with black lights attached. The different colors are apparent and pretty. They just don't -feel- like good quality. The plastic is thin and cheap.
Amelia Thompson
Reviewed in the United States on December 27, 2024
I bought these Klumuke Invisible Ink Pens with UV Light for my cousin, a young spy movie enthusiast. It seemed like a creative way for him to enjoy his favorite hobby in real life. They come equipped with a UV light keychain that reveals the invisible writing, sparking a lot of excitement. He's constantly crafting secret messages and setting up spy missions around the house, which keeps him engaged for hours.The pens are straightforward to use and reliable. The invisible ink remains hidden to the naked eye until it's lit up by the UV light, which works flawlessly every time. They're also safe for kids, which is a priority for us.What's great is that the UV light keychains are portable. He clips one onto his backpack, so he's always ready for impromptu spy games, whether at home or with friends at the park.
Captain Larry
Reviewed in the United States on December 26, 2024
Great item and you receive 3 items
594 Tuff
Reviewed in the United States on December 2, 2024
I absolutely love my oldest grandson and his quirky likes and dislikes. He is an amazing kid and I cherish him. That’s why I like to get him the things that make him who he is at his heart.I bought him a simple spy pen and he absolutely loved it. He went nuts for it. Seeing this 3 Magic Spy Pens with the mini UV LED flashlight just sealed the deal. I had to order them. And the fact that each of the 3 magic pens has a different ink color is so cool.After he writes, with one of the magic pens, there is a 3 second timeframe where the ink will become invisible. Using his special flashlight, that emits a purple light, he will be able to read what was written. And the cool thing is that the invisible ink doesn’t go away, ever. So if he wants to share that message with someone then they will need a UV LED flashlight to read it, or he can share his with them.This is the coolest thing ever for my grandson, and with whomever he chooses to communicate with using his disappearing ink pens. The great thing is that his communication cannot be seen without a UV light. And there is nothing hard about it because these pens look like normal pens but they don’t react like normal pens. He can send a message to someone who he has a crush on, or a message for a good buddy, that can enjoy this same fun in the same way that my grandson does.I’m really excited to gift him these three pens and three flashlights. I have a feeling that this might be one of his more favorite gifts, knowing his sense of adventure and fun.
Neal
Reviewed in the United States on December 18, 2024
These might make good Halloween or Birthday gifts. The markers are easy to use and do not have any odor. Colors are pink, yellow, and blue, with the pink and blue being the most prominent under UV light. Under normal light the writing is clear. This kit also comes with 3 small black light keychains. One of the lights in my kit don't work / seems to have a dead battery. It's not clear if you can replace the batteries?
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