2pcs Color Changing Christmas Card Surprise Gift– Reusable Light Up Gift Greeting Cards

Interactive Hidden Patterns – Heat activates secret designs, adding a magical surprise to your Christmas gifting.

Multiple Trigger Methods – Reveal hidden art with a windproof straight - flame lighter, when ambient temp exceeds 36°C, or via a hairdryer.

Reusable & Quick Reset – Cards automatically return to their original look within 20 seconds, allowing repeated fun.

Festive Winter Night Design – Features a charming snowy night scene, perfect for sending Christmas cheer to friends and family.

25x20x2cm, 120g