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Best Sellers

  1. 14 in 1 Educational Solar Robot Kit

    14 in 1 Educational Solar Robot Kit

    $26.95
    • Create and re-assemble parts into 14 differently designed robots
    • Solar powered- no batteries required!
    • Robots walk, row, roll, and crawl!
    • CWIST For It!
    Learn More
  2. 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
  3. 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
  4. Nebula Plasma Ball
  5. 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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  6. The World’S Simplest Motor™
  7. Rain Barrel
  8. ReCon 6.0 Programmable Rover

    ReCon 6.0 Programmable Rover

    $69.95
    • Stores 9 trips with 50 commands each
    • 4 sound files to record yourself plus 5 pre-recorded sound effects
    • No computer needed
    • CWIST For It!
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Items 1-8 of 93