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  • Car on a Roll - 10 Pack
    A clever way to demonstrate the transfer between potential energy and kinetic energy Create a model car consisting of a simple chassis and a straw-based axle system (simple machine) that produces minimal friction and allows the cars to roll with little energy input, making them ideal learning too..
    $12.99
  • Floating Compass - 10 Pack
    Let a steel needle point the way! The floating compass is a useful tool for detecting the magnetic fields of magnets and of the Earth. Make a simple compass with a magnetized needle demonstrates the properties of magnetic materials and shows that magnets have north and south poles. Using the floa..
    $12.99
  • Interesting Interest - 10 pack
    Watch savings grow with Interest! Money deposited in a savings account will earn interest and grow. Model the difference between two interest rates. Over time, does a small difference in interest rates really matter? Curriculum topics: Financial Literacy, Compound Interest, Savings Account, Re..
    $15.99
  • Roller Racer - 10 Pack
    Explore the fun of energy conversion Enjoy the hands-on experience of building and using the Roller Racer, a modern variation of an old favorite. Explore the application of simple machines and energy conversion and investigate how changes in stored energy can affect performance. Curriculum top..
    $12.99
  • Simple Telescope - 10 Pack
    Make a telescope like the one Galileo designed! See how convex and concave lenses can be combined to magnify far-away objects. Curriculum topics: Lights, Optics, Refraction, Astronomy Kit includes: Idea Sheet, 10 plastic pipe caps, 10 convex lenses, 10 concave lenses, 10 cardboard tubes, an..
    $29.99
  • Solar Cone Cooker - 10 Pack
    A renewable energy device Explore heating and "cooking" with sunlight using an easy to make mini solar collector. Use a pointer to align the cooker with the sun's position - then remove the pointer to let in the light. Curriculum topics: Solar Heating, Radiant Energy, Apparent Motion of the Su..
    $12.99

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