Liven up your party with the Interactive Koi Fish Coasters by inno.park. Coming with a set of glass cups, the coasters produce an exciting and interactive experience when heated. Using the glasses, the coasters reveal the koi fish at high temperatures. With 68 degrees Celsius and 154.4 degrees Fahrenheit and higher, the beautiful koi fish come out to play. Their silhouettes dance around the coasters with the introduction of heat. Then, when the heat moves away, the koi fish dissipate. This interactive experience is a delight for any tabletop be it your coffee table or dinner table. Additionally, the glasses are sleek and modern with their minimalist handles. Add some fun to dinner time with the Interactive Koi Coasters.