Frequently Asked Questions

• Q: What is the material of the ZUNTENG Invisible Ink Pen? A: The ZUNTENG Invisible Ink Pen is made from plastic. This ensures durability while being lightweight and easy for children to handle.
• Q: How many pens are included in the ZUNTENG Invisible Ink Pen set? A: The set includes seven pens. This variety allows multiple users to enjoy the fun of invisible ink.
• Q: What are the dimensions of the ZUNTENG Invisible Ink Pen? A: The item size is a seven count pack. Specific dimensions for individual pens are not provided, but they are designed for easy grip.
• Q: How do you use the ZUNTENG Invisible Ink Pen? A: To use the pen, simply write your message, then turn on the light on the cap to reveal the invisible ink. It’s perfect for secret messages and fun activities.
• Q: Is the ZUNTENG Invisible Ink Pen suitable for kids? A: Yes, it is suitable for children. Designed as a fun toy, it's great for birthday gifts, holiday gifts, and more.
• Q: Can the invisible ink be used on skin? A: Yes, the invisible ink can be used on skin. It's safe for children when used properly, but supervision is recommended.
• Q: How do you care for the ZUNTENG Invisible Ink Pen? A: To keep the pen in good condition, store it with the cap on. This prevents the ink from drying out and ensures the light remains protected.
• Q: Is the ZUNTENG Invisible Ink Pen safe for toddlers? A: No, it is not safe for toddlers. Children under three years old should not use it due to small parts.
• Q: Does the ZUNTENG Invisible Ink Pen come with batteries? A: Yes, the pen comes with a battery included. There's no need to purchase additional batteries for immediate use.
• Q: What should I do if the pen doesn't work upon arrival? A: If the pen doesn't work, check the insulating sheet between the batteries. If the issue persists, contact customer support for assistance.
• Q: Can the ink be washed off from surfaces? A: Yes, the ink is permanent but washable. It can be cleaned from smooth surfaces, making it versatile for various uses.
• Q: Is the ink toxic or harmful? A: The ink is non-toxic and safe for children. Always supervise young users to ensure they do not ingest any small parts.
• Q: How does the UV light work on the pen? A: The UV light on the cap illuminates the invisible ink, revealing the hidden messages. This adds an element of fun for children.
• Q: What age group is the ZUNTENG Invisible Ink Pen suitable for? A: The pen is suitable for children over three years old. It makes a great gift for birthdays and holidays for older kids.
• Q: What are the safety precautions for using the pen? A: Ensure that children do not use the pen unsupervised, especially those under three years old. Avoid contact with eyes and mouth.
• Q: Is the ZUNTENG Invisible Ink Pen refillable? A: No, the ZUNTENG Invisible Ink Pen is not refillable. Once the ink is used up, a new pen will need to be purchased.