Make a simple musical instrument that sounds like a swarm of buzzing bees when you spin it around.
the Fudge House on Fisherman's Wharf in San Francisco!
Discover the secret colors hidden in black ink. With a paper towel, a black marker, and a cup of water, create a rainbow of colors while exploring capillary action and chromatography.
Sometimes we can learn about outer space when space objects come to us.
Our reactions may be trained, but the devices that make music sound "sad" are real enough.
How many pennies will your bridge hold?
If you want to dig a ditch in the Arctic, you'd better bring more than a shovel.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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