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Versatile 6-color thermochromic patch that changes color based on temperature, making it perfect for scientific experiments and creative DIY projects. Made from PET and liquid crystal material, this patch is durable and can be cut to any shape for customized applications. Color temperature relationship: Black below 28°C, Brown at 29°C, Green at 31°C, Grass Green at 32°C, Turquoise at 33°C, and Dark Blue above 34°C for clear temperature indication. Ideal for educational purposes, art projects, or as a display tool to visualize temperature changes in real-time. Easy to use with adhesive backing, allowing for quick application on various surfaces for both indoor and outdoor use.