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View compareFrequently Asked Questions
- Q: What materials are the EODVICS Invisible Ink Pens made from? A: The EODVICS Invisible Ink Pens are made from plastic. This material ensures durability while keeping the pens lightweight and easy to handle.
- Q: How many colors do the EODVICS Invisible Ink Pens come in? A: The set includes seven different colors. However, the ink remains the same color regardless of the pen used.
- Q: What is the size of the EODVICS Invisible Ink Pens? A: The specific item size is not provided, but they are designed to be portable and easy for kids to use. They fit comfortably in small hands.
- Q: How do I use the EODVICS Invisible Ink Pens? A: To use the pens, simply write your secret message. Use the built-in UV light on the cap to reveal the invisible ink.
- Q: Are the EODVICS Invisible Ink Pens suitable for children? A: Yes, these pens are suitable for children aged three and above. They are designed as safe and fun toys for creative play.
- Q: Can the invisible ink be washed off surfaces? A: Yes, the ink is permanent but washable. It can be easily removed from most surfaces, making it safe for clothing and skin.
- Q: How should I care for the EODVICS Invisible Ink Pens? A: To keep the pens in good condition, store them in a cool, dry place and ensure the caps are securely fastened after each use.
- Q: Do the EODVICS Invisible Ink Pens require batteries? A: Yes, the pens come with batteries included. This allows the built-in UV light to function immediately upon purchase.
- Q: What should I do if my EODVICS Invisible Ink Pen is not working? A: If a pen is not working, first check the battery. If the battery is fine, contact customer service for troubleshooting or replacement.
- Q: Are the EODVICS Invisible Ink Pens safe for skin use? A: Yes, the ink is harmless and flavorless, making it safe for use on skin. However, supervise young children during use.
- Q: What types of surfaces can I use the ink on? A: The invisible ink can be used on various surfaces such as paper, fabric, and skin. It works best on smooth surfaces.
- Q: Are the EODVICS Invisible Ink Pens a good party favor? A: Yes, they make excellent party favors for kids' spy-themed parties. They're fun, engaging, and add a unique twist to goody bags.
- Q: How many pens are included in the EODVICS set? A: The set includes a total of seven pens. Each pen contains a different color of invisible ink.
- Q: Is the invisible ink visible in daylight? A: No, the ink remains invisible in daylight until illuminated by the UV light on the cap. This adds to the secretive fun.
- Q: Can these pens be used for any age group? A: While designed for children, adults can enjoy the fun of invisible ink as well. The product is versatile for all ages.

