Since ancient times, spies and conspirators have used invisible inks to send secret messages. They make a great gift for children who like to play games of subterfuge. These pens have colored inks that are visible only under UV light. They can be easily washed off clothing and skin without damaging fabrics or walls. These pens make a great addition to birthday party favor bags. They are easy for kids to use and can be easily gripped.
Kerrt’s invisible ink pens are a great option for kids who want to improve their handwriting while feeling as if they were writing in a secret notepad or magic potion. They come with built-in batteries and a bright UV light attached to the cap, which can be used to reveal hidden messages and doodles. The pens come in a variety colors and are a great toy for kids that helps them develop their problem solving skills.
There are many natural substances that can be used to create invisible inks, including lemon juice, baking soda, white wine, soapy water, spit and Vitamin B-12 dissolved in vinegar. Some of these inks can be revealed by exposing them to a chemical reaction, or another event. Lemon juice and cranberry-colored ink are visible under sunlight. However, a piece red cabbage water, or diluted laundry detergent, will appear when exposed to ultraviolet light.
A pair of glasses with the ability to read the marks on backs of cards is one of the best ways of seeing invisible ink cards. These sunglasses can be found in our invisible ink poker card reading shop and are made from high-quality materials to protect the user’s eyes from being damaged by excessive UV exposure. These glasses look like regular sunglasses so no one can tell that they are being used to read a marked deck.
These invisible ink glasses for cards are a great way to help children with their motor skills, and they can also be used as an engaging way to encourage them to write more often. The glasses have been made from durable materials that are easy to grip for children. The glasses can be used for journal entries or notes. They can also help with homework, by encouraging children to write their answers clearly and concisely. These glasses are also a great addition to party favors, as they will make your guests smile. You can find more information on this and other products by visiting our invisible ink glasses website. You can also sign up for our weekly newsletter, which is packed with useful advice and noteworthy deals on all sorts of items. We are proud to simplify the purchasing decisions of millions of consumers so that you can spend more time enjoying your purchase and less time shopping!