{"product_id":"4pcs-lot-luminous-light-pen-magic-purple-2-in-1-uv-black-light-combo-drawing-invisible-ink-pen-learning-education-toys-for-child","title":"Invisible Ink Pens 4-Pack with UV Light for Secret Messages","description":"\u003cp\u003eTurn ordinary notes into secret messages that disappear from sight until the UV light reveals them.\u003c\/p\u003e\u003cp\u003eWith four pens in the set, kids can write, draw, and share hidden messages in a way that feels interactive and fun.\u003c\/p\u003e\u003ch2\u003eSecret writing that makes playtime feel exciting\u003c\/h2\u003e\u003cp\u003e✅ Reveal hidden notes instantly with the built-in UV light in each cap\u003c\/p\u003e\u003cp\u003e✅ Keep kids engaged with hands-on play that feels like a mystery game\u003c\/p\u003e\u003cp\u003e✅ Add a glowing effect to drawings, spelling games, and reminders\u003c\/p\u003e\u003cp\u003e✅ Start right away with a button-cell battery already installed\u003c\/p\u003e\u003cp\u003e✅ Enjoy repeated use with lightweight plastic pens made for everyday play\u003c\/p\u003e\u003cp\u003e✅ Slip the set into a backpack or desk drawer for easy storage\u003c\/p\u003e\u003cp\u003e✅ Share screen-free fun during family time, parties, or sleepovers\u003c\/p\u003e\u003cp\u003eEach pen makes writing feel like a small discovery. Write first, then shine the UV light to bring the message into view. That simple process keeps the fun clear and immediate, without setup or waiting.\u003c\/p\u003e\u003cp\u003eThis set fits naturally into playtime, gift bags, craft sessions, and learning activities. Children can practice letters, create secret clues, or leave glowing notes that feel special. The effect adds a fresh twist to routine writing and drawing.\u003c\/p\u003e\u003cp\u003eThe pens are suitable for many ages, but they should not be used by children under three because of small parts. Older kids, teens, and adults can all enjoy the hidden message effect for playful notes and themed events.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S300301c3479d4496b313057e4a169cd99.jpg?width=450\u0026amp;height=316\u0026amp;hash=766\" width=\"800px\" height=\"562px\" alt=\"Four invisible ink pens arranged together with caps on\"\u003e \u003cp\u003eKeep four ready for games, notes, and creative play.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf9e92fb6bb6e4c1abad7d815a5ac020f5.jpg?width=400\u0026amp;height=351\u0026amp;hash=751\" width=\"800px\" height=\"702px\" alt=\"Child writing with invisible ink pen under UV light\"\u003e \u003cp\u003eWriting becomes a hands-on surprise kids enjoy.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S39ce137036e049acae41277bb7eaab56S.jpg?width=550\u0026amp;height=372\u0026amp;hash=922\" width=\"800px\" height=\"541px\" alt=\"Invisible message glowing under UV light\"\u003e \u003cp\u003eThe glow makes secret notes instantly satisfying to reveal.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S24246fdd2be7463fa5f91b51bdd069d8i.jpg?width=700\u0026amp;height=700\u0026amp;hash=1400\" width=\"800px\" height=\"800px\" alt=\"Close-up of invisible ink pen with lighted cap\"\u003e \u003cp\u003eThe built-in light keeps decoding simple and immediate.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S486a3d9cb1c0461a90e68821169d8e56h.jpg?width=480\u0026amp;height=480\u0026amp;hash=960\" width=\"800px\" height=\"800px\" alt=\"Various invisible ink pens displayed in a row\"\u003e \u003cp\u003eExtra pens mean more chances to play and share.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBring secret writing into everyday play and enjoy glowing messages that spark curiosity.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"Red","offer_id":52778381443402,"sku":"1005006175542000-Red","price":26.95,"currency_code":"EUR","in_stock":true},{"title":"green","offer_id":52778381476170,"sku":"1005006175542000-green","price":26.95,"currency_code":"EUR","in_stock":true},{"title":"VIOLET\/紫罗兰","offer_id":52778381508938,"sku":"1005006175542000-VIOLET\/紫罗兰","price":26.95,"currency_code":"EUR","in_stock":true},{"title":"4pcs","offer_id":52778381541706,"sku":"1005006175542000-4pcs","price":21.95,"currency_code":"EUR","in_stock":true},{"title":"Blue","offer_id":52778381574474,"sku":"1005006175542000-Blue","price":26.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/invisible-ink-pens-4-pack-red-ria.webp?v=1770513586","url":"https:\/\/spy-shop.com\/ar\/products\/4pcs-lot-luminous-light-pen-magic-purple-2-in-1-uv-black-light-combo-drawing-invisible-ink-pen-learning-education-toys-for-child","provider":"Spy-shop.com","version":"1.0","type":"link"}