Without the Exploratorium, we might never have had an official Pi Day celebration. In 1988 Exploratorium physicist Larry Shaw started the tradition, and it was finally recognized by Congress in 2009. The Exploratorium highlights some great hands-on activities, and there is also a great list of Pi-related links.
The Exploratorium - San Francisco, CA - Kid friendly activity reviews - Trekaroo This museum has a lot of interesting exhibits and I recommend it for kids who are into science. It is great for a rainy day as everything is indoors and contained.
The Exploratorium isn’t just a museum; it’s an ongoing exploration of science, art, and human perception—a vast collection of online interactives, web features, activities, programs, and events that feed your curiosity.