What are the accessories that change color at room temperature or in weather?

Thermometer vase, thermosensitive vase.

1. Thermometer vase: The color of this vase will change with the temperature. For example, in a warm room, one color will be displayed, while in a cold room, another color will be displayed.

2. Thermosensitive vase: This vase is similar to a thermometer vase, but its color change depends more on humidity than temperature. If the air is dry, the vase will show one color, while if the air is wet, the vase will show another color.