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  Drinking Bird

  Incredibly thirsty and mysterious! Wet its beak and this duck keeps rocking until the liquid is gone. What strange force propels the drinking bird? Thermodynamics! This toy has been mystifying several generations.
  

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  Gyroscope

  Young minds love to watch as this classic toy seems to defy gravity. This is great hands-on learning. Gyroscopes are the stabilizing force behind race cars, monorails, autopilot, and upright robots! What will your little scientist think to use it for? Metal gyroscope with string, pedestal and booklet in a plastic box.
  

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  Newton's Cradle

  A classic science toy. Demonstrates Newton's Law of Conservation of Energy as clearly as is possible. Simply release any number of balls on one side, and the same number will rise from the other.
  

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  Radiometer

  A nifty thermodynamic mystery. Just put your radiometer in the sun and watch the little vanes inside it spin - how fast it goes depends on the intensity of the light. You’ll learn about absorption and reflection, vacuums and the particle nature of light.
  

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  Sun Print Kit

  Place this light sensitive paper in the sun and you can capture the image of whatever is on it. Wash with water to make it permanent. Teaches basic photography while improving creative skills.
  

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  The Magic Illusion

  Unbelievable! Your finger appears to go right through an object. Using concave and convex mirrors, this optical illusion creates a perfect virtual image of any small object you place inside. Endlessly fascinating.
  

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