DescriptionThis product is a change color brave troops. You can use the string to link it up, making necklace or bracelet, or other jewelry and craft making. Particular thermochromic design, it will change color as the temperature changes, with fine craft, creative and interesting. for DIY jewelry and other art projects.Features- Color: As shown. - Material: Metal. - Size: Approx. 3.3 x 1.5 x 1.3cm. - Unique brave troops design, with fine craft, creative and interesting. - You can use the string to link it up, making necklace or bracelet, or other jewelry and craft making. - DIY jewelry making accessory. - Particular thermochromic design, it will change color as the temperature changes.