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Learn the science behind the amazing slinky! What is a wave? How are seismic waves formed? What does a Slinky have to do with an earthquake? You dont have to ride the bonsai pipeline to discover the power and force behind an earthquake! Use the slinkys and everything else included in this kit to learn about waves.Find a wide range of Poof-Slinky toys at Toys'R'Us.com! Poof-Slinky manufactures the POOF foam ball line and Slinky spring toys in the United States. Other products of POOF include the Classic Ideal construction toys and tabletop games, no-bake cooking kits, and science and activity kits. In the Spring of 2010 Poof-Slinky acquired Cadaco, a 75-year old manufacturer of a popular line of board games, including the famous Tripoley, the Ryan Oakes magic line, and the green activity/construction line EnviroBLOX; now called Stikits.