Hometravel Temperature Changing Christmas Cards, Heat Reactive Holiday Greeting Cards, Magic Reveal Surprise Night Cards with Envelopes for Gift Exchange

Hometravel Temperature Changing Christmas Cards, Heat Reactive Holiday Greeting Cards, Magic Reveal Surprise Night Cards with Envelopes for Gift Exchange
Features:
A nice Christmas card that changed color with temperature variation.
Delicate with thermochromic molecules, adding a feel of sorcery.
As the ambient temperature alters, the card's hued shifted gracefully.
Perfections for sending warm holiday wishes with innovativedd twists.
The color-changing feature makes it eye-catching Christmas keepsake.
Product Description:
Include: 2/3/4/5/6 Temperature change card