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Best Sellers

  1. Solar Power Plus Kit

    Solar Power Plus Kit

    $79.95
    • Discover how solar cells generate electricity as you assemble solar powered vehicles
    • Assemble 22 models with 265 pieces
    • Includes 2 special solar panels
    Learn More
  2. Solar Power Kit

    Solar Power Kit

    $44.95
    - Kit includes 177 building pieces compatible with all Thames & Kosmos construction kits - Assemble 6 different solar powered models - Includes exceptional 24 page instruction book - CWIST For It! Learn More
  3. Nebula Plasma Ball
  4. Radiometer

    Radiometer

    $11.95

    A real solar engine!

    • An introduction to thermodynamics (explained below)
    • 5" high and 3" in diameter
    • four van rotor spins continuously up to 3,000 RPM

     

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  5. The World’S Simplest Motor™
  6. Rain Barrel
  7. Hand-Held Mini Bladeless Fan

    Hand-Held Mini Bladeless Fan

    $14.95

    • No visible fan blades and continuously changing color LED lights

    • Portable for use at home, at school and at the office

    • *Note: Price is for a single fan. Two fans are shown in the image above to display color changing feature.

     

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  8. Solar-Powered Rainbow Maker

    Solar-Powered Rainbow Maker

    $30.00
    • Rainbows, on demand
    • Demonstrates both solar energy and light refraction
    • Genuine Swarovski crystal and green-energy motor
    • Motor uses solar energy to rotate crystal and produce a rainbow
    Learn More

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Items 1-8 of 57