Heat Reactive mug
Let Bob Ross inspire you with his beautiful art while you sip your coffee from this heat reactive mug. After pouring hot liquid into this 13.8 ounce mug, the dark background behind Bob Ross begins to morph into one of his gorgeous and serene landscape paintings.
Kick it old school while your get your daily caffeine fix by sipping your brew from this neat heat reactive Space Invaders coffee mug. When you pour hot liquid into this mug, the graphic on the mug comes alive to depict a classic Space Invaders arcade level.