Squidy Diver PRODUCT DEMONSTRATION  email to friend
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SQUIDY has become a classic science toy! This version of the Cartesian diver is cleverly disguised as a colorful squid affectionately called SQUIDY. Squeeze the plastic soda bottle and SQUIDY swims up and down in the bottle of water. Children can't help but ask, "How does that work?" The illustrated instructions show how to construct the Cartesian diver and explains the scientific principle behind its action.