LIQUID CRYSTALS
Liquid Crystal cards, such as tubby testers and refrigerator cards, are a novelty item for any event! These innovative devices use liquid crystals that change color in response to temperature changes.
They act like miniature thermometers, adjusting their molecular structure to reveal striking hues—from red to green to blue—as the temperature shifts. This means you get an immediate and battery-free visual temperature reading! Isn’t that an ingenious and practical solution?
These affordable giveaway options are ideal for any organization, making them a great opportunity to enhance your company’s brand! Don’t miss out on this chance to stand out!
