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View compareFrequently Asked Questions
- Q: What is the size of the EODVICS Invisible Ink Pens? A: The size of each pen is approximately seven inches long and one point seven inches tall. The set contains twenty-eight pens in total.
- Q: What materials are used in these invisible ink pens? A: These pens are primarily made of plastic. They contain harmless and flavorless ink that is safe for children.
- Q: What colors do the invisible inks come in? A: The invisible ink pens feature seven different colors. However, the ink itself remains invisible until exposed to UV light.
- Q: How do you use the invisible ink pens? A: To use the pens, simply write your secret message. Then, use the built-in UV light on the cap to reveal the ink.
- Q: Are these pens suitable for children of all ages? A: The pens are recommended for children aged three years and older. They are designed for fun and creativity in safe play.
- Q: Can these invisible ink pens be used on any surface? A: Yes, the ink can be used on various surfaces including paper, skin, and fabric. It is permanent but washable.
- Q: How should I store the invisible ink pens? A: Store the pens in a cool, dry place. Ensure the caps are securely closed to prevent the ink from drying out.
- Q: Are there any safety precautions to consider with these pens? A: Yes, keep these pens away from small children if the caps are removed, as they contain small parts. Always supervise younger children.
- Q: Can these pens be used for party favors? A: Absolutely! These pens make excellent party favors for kids' spy-themed parties and events. They add a fun and creative element to goodie bags.
- Q: Is the ink in these pens safe for skin contact? A: Yes, the ink is harmless and flavorless, making it safe for occasional skin contact. However, it should not be deliberately applied to skin.
- Q: What if the pens arrive damaged or don't work? A: If any pens arrive damaged or malfunction, please contact our customer service team for assistance and potential replacements.
- Q: Are batteries included with the pens? A: Yes, the invisible ink pens come with built-in lights that include batteries for immediate use upon purchase.
- Q: Can these pens be used for educational purposes? A: Yes, these pens can be used for educational activities such as creative writing and secret message decoding, enhancing learning through play.
- Q: What age group is ideal for using these invisible ink pens? A: These pens are ideal for children aged eight to twelve. They are perfect for imaginative play and spy games.
- Q: Do these pens come with a warranty or guarantee? A: Yes, the manufacturer offers a satisfaction guarantee. Contact customer service for any product-related issues.

