{"product_id":"scstyle-10-pack-invisible-ink-pens-with-uv-light-for-secret-messages-and-spy-games","title":"SCStyle 10-Pack Invisible Ink Pens with UV Light for Secret Messages and Spy Games","description":"\u003cp\u003eThe SCStyle Invisible Ink Pen set gives you 10 markers that let you write hidden messages that stay invisible until you shine the built-in UV light on them. Each pen comes with a UV flashlight in the cap, powered by included button cell batteries. The ink works on paper, fabric, wood, and even t-shirts. It is harmless and tasteless, and while the marks are permanent on some surfaces, they wash off skin and most fabrics. This set is designed for children ages 3 and up, but close adult supervision is recommended because of small parts. It makes a practical gift for birthdays, Easter, Halloween, and classroom activities.\u003c\/p\u003e\u003ch2\u003eHow the invisible ink works\u003c\/h2\u003e\u003cp\u003eWrite a message or draw a picture on a clean surface. Within moments the ink dries clear, and the text or image becomes completely invisible. To read it, switch on the UV light at the cap of any pen and shine it over the writing area. The message glows faintly in the ultraviolet beam, making it easy to read. The ink does not reappear on its own; it only shows under the UV light.\u003c\/p\u003e\u003ch2\u003eWhat's in the package\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e10 invisible ink pens with UV lights built into the caps\u003c\/li\u003e\n\u003cli\u003eButton cell batteries already installed (a pull tab protects them until first use)\u003c\/li\u003e\n\u003cli\u003eNo extra tools or batteries required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe pens are about the same size as a standard marker. Each pen has a small pull tab to disconnect the battery until you are ready to use it. Remove the tab, and the UV light is ready. To conserve battery, turn off the light when not in use. The set conforms to ASTM D-4236 safety standards.\u003c\/p\u003e\u003ch2\u003eWhere can you use invisible ink pens\u003c\/h2\u003e\u003cp\u003eThese markers work best on light-colored surfaces. You can write on ordinary paper, sticky notes, cardboard, fabric, wood, and even t-shirts. The ink is permanent on porous materials but washes off non-porous surfaces and skin with soap and water. Because the ink is tasteless and harmless, it is safe for supervised play. Avoid using on walls or furniture.\u003c\/p\u003e\u003ch2\u003eOccasions and activities\u003c\/h2\u003e\u003cp\u003eThese pens are a natural fit for spy-themed parties, treasure hunts, escape room puzzles, and detective games. Teachers can set up scavenger hunts or secret note activities. Parents often use them as party favors for birthdays, Halloween, or Easter. They also work for Valentine's Day notes and classroom rewards. The set includes ten pens, so multiple children can play at once.\u003c\/p\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSCStyle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWriting Instrument Form\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarker Pen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 pens (multicolor ink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInk Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMulticolor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAge Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot for children under 3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBatteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded, installed with pull tabs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConforms to ASTM D-4236\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFrequently asked questions about invisible ink pens\u003c\/h2\u003e\u003ch3\u003eAre the batteries included?\u003c\/h3\u003e\u003cp\u003eYes, each pen has three button cell batteries already installed. A pull tab keeps the battery disconnected until you are ready to use the UV light.\u003c\/p\u003e\u003ch3\u003eWhat surfaces can I use the pen on?\u003c\/h3\u003e\u003cp\u003eThe ink works on paper, fabric, wood, and t-shirts. It is permanent on porous surfaces but washes off skin and most non-porous materials with water and mild soap.\u003c\/p\u003e\u003ch3\u003eIs the ink safe for children?\u003c\/h3\u003e\u003cp\u003eThe ink is harmless and tasteless. The set complies with ASTM D-4236, which covers art materials. However, small parts (batteries, pen caps) are a choking hazard, so the manufacturer recommends it for children over 3 years and with adult supervision.\u003c\/p\u003e\u003ch3\u003eHow does the message become visible?\u003c\/h3\u003e\u003cp\u003eThe ink dries clear and remains invisible under normal light. When you shine the UV flashlight (built into the pen cap) over the writing, the ink absorbs the ultraviolet light and becomes visible as a faint glow.\u003c\/p\u003e","brand":"SCStyle","offers":[{"title":"Default Title","offer_id":58075986264367,"sku":null,"price":20.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/4478\/7503\/files\/scstyle-10-pack-invisible-ink-pens-with-uv-light-for-secret-messages-and-spy-games-1.jpg?v=1781528009","url":"https:\/\/toysforkid.co.uk\/products\/scstyle-10-pack-invisible-ink-pens-with-uv-light-for-secret-messages-and-spy-games","provider":"Toys For Kid","version":"1.0","type":"link"}