With the smart bulb heat change mug, you can dazzle your co-workers into thinking you're a powerful wizard, or at least a guy who happens to own an interesting coffee mug.
Made from ceramic, the smart bulb heat change mug has a simple all-black design with the outline of a bulb drawn on the side. When you add hot coffee, tea or any other hot beverage, the bulb “lights up” by turning yellow with a few lines radiating outwards. The smart bulb heat change mug can hold up to 12 ounces and is handwash only.
Though it will be tempting, don’t waste too many hours trying to perfectly time drinking from the smart bulb heat change mug at the same moment you get a brilliant idea.