For some people, a puzzle's just a beautiful and inexplicable landscape until they've had that first cup of coffee.
This official Myst mug was designed by Audrey Waner. Its color changes when you fill it with something hot. Each one comes with a bonus coaster.
Hand-wash only—high temperatures will damage the color-changing effect. Keep in a cool, room-temperature location away from direct sun, UV, temperature extremes, and long exposure to fluorescent light.