PIONJOY 24-pack Valentines Invisible Ink Pen with UV Light | Kids' Valentines Cards & Spy Pen Gift Set

Bring a touch of mystery to Valentine’s Day with PIONJOY

Turn ordinary notes into secret messages that glow under UV light. This value-packed 24-pack includes Valentine cards and invisible ink pens with built-in UV light, so kids can craft playful notes that reveal themselves in a glow of color.

Each set features six charming animal-themed designs and a handy storage bag to keep everything organized for class exchanges, party favors, or at-home play. It’s a simple way to add a dash of excitement to a traditional Valentine’s day moment without any mess.

What’s inside

• 24 Valentine cards with six animal-themed designs
• 24 invisible ink pens with built-in UV light
• A small bag for tidy gifting and storage

How it works

Write a message on the card using the invisible ink pen. Attach the pen to the card with the pre-punched holes. When exposed to UV light, the message glows for a delightful reveal.

These glow-in-the-dark pens pair well with detective-themed games, scavenger hunts, and safe, imaginative play that invites kids to solve tiny mysteries with friends.

Great for classrooms and celebrations

• Easy classroom exchanges and party favors that engage peers
• Perfect for Valentine’s Day gifts, school prizes, or home party activities

Safety and durability

Made from PVC materials, the set is designed for kid-friendly, durable play. The components are built to withstand regular handling in busy environments like classrooms and playrooms.

What you can expect

Expect simple, mess-free fun that sparks imagination. The glow effect and hidden messages offer a playful twist on a classic celebration, creating moments of surprise and delight without guaranteeing specific outcomes.

Versatile use cases

• Perfect for classroom exchanges and easy party favors
• Great for at-home Valentine celebrations and small-group activities
• Encourages reading and writing through playful mystery tasks