Put your beverage of choice inside this mug, and captivate people with its exterior! The Exploratorium Optical Illusion Mug commemorates the museum with a fascinating spiral pattern.
This hardy mug is microwave and dishwasher safe.
The Exploratorium Store carries unique gadgets, games, tinkering items, and books that focus on science, art, and technology. All purchases help to support the Exploratorium’s educational mission.