Onzichtbare inktpennen met UV-licht voor kinderen, 32 stuks magische spionagepennen voor geheime berichten, verjaardag, nieuwjaarsfeest, Halloween

Invisible Ink Pens with UV Light, 8 Colors Glow ， Secret Message Writing Detective Party Favors, Birthday Christmas Halloween Goodie Bag Stuffers Classroom Prizes School Supplies Using this invisible ink pen, only can you see it until shining it over where you wrote. Very interesting and bring fun for kids. Harmless and flavorless ink, You can write everywhere:T-Shirts, paper, skin and any surface. The inks is durable but washable. very safety to use. The magic pens have the UV light installed in the cap so you don'for t need to buy a spare light, which also comes with battery in it, very convenient to use. GLOW IN THE DARK MAGIC - Watch invisible ink magically appear under UV light! These spy pens create disappearing messages that only reveal with the special light, making them exciting for secret missions and treasure hunts. PERFECT PARTY FAVORS - Ideal for birthday parties, Halloween goodie bags, Christmas stockings, and classroom rewards. These pens make excellent prizes for elementary and middle school students, school store items, and party favors for kids 8-12. MULTIPLE USES - Great for secret note passing, detective games, spy missions, classroom activities, and creative writing. Safe and non-toxic ink makes them perfect for kids' arts and crafts, mystery projects, and educational fun.