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View compareFrequently Asked Questions
- Q: What is included in the Joycover Invisible Ink Pen set? A: The set includes twenty-four invisible ink pens and twenty-four spy-themed notebooks. Each pen features a UV light to reveal the invisible ink.
- Q: What colors do the invisible ink pens come in? A: The invisible ink pens are available in eight colors: blue, black, red, pink, orange, yellow, green, and purple. Each pen has invisible ink that glows under UV light.
- Q: What is the size of the notebooks? A: The notebooks are medium-sized, designed to be easily portable for kids. They are perfect for writing and doodling secret messages.
- Q: How do kids use the invisible ink pens? A: Kids can write secret messages using the invisible ink, which can only be revealed by shining the UV light on them. This adds an exciting element to their play.
- Q: Is the Joycover Invisible Ink Pen set suitable for all ages? A: Yes, it's suitable for children aged three and above. It is designed for fun and safe play for kids, making it ideal for various occasions.
- Q: Can the ink be washed off surfaces? A: Yes, the ink is washable and non-toxic. It can be used on various surfaces without causing permanent stains.
- Q: How do I clean the invisible ink pens? A: To clean the pens, simply store them upright with the caps on. Avoid exposing them to extreme temperatures to maintain their functionality.
- Q: How should I store the Joycover invisible ink pens? A: It’s best to store the pens in a cool, dry place and keep them capped to prevent the ink from drying out. This ensures they last longer.
- Q: What occasions are these spy pens suitable for? A: These spy pens are perfect for parties, classroom rewards, birthday gifts, and Christmas presents. They provide endless entertainment for kids.
- Q: Are the invisible ink pens safe for children? A: Yes, the ink is non-toxic and flavorless, making it safe for children to use. Parents can feel secure allowing their kids to play with them.
- Q: What if the product arrives damaged? A: If the product arrives damaged, you can contact the seller for a replacement or refund. Customer service will assist with the return process.
- Q: How long does the UV ink last? A: The UV ink is designed to be permanent but can be washed off with water. Kids can use it repeatedly, creating new messages each time.
- Q: Can these pens be used for school projects? A: Yes, these pens can be used for school projects, especially creative assignments that involve writing secret messages or codes.
- Q: Is the notebook content educational? A: Yes, the notebooks include fun puzzles and arithmetic problems to engage children while they enjoy their spy-themed activities.
- Q: What materials are the pens made from? A: The invisible ink pens are made of plastic, ensuring durability and ease of use for children during play.

