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Items 33-40 of 118

Physics Fun

  1. Greek and Roman Ballista

    Greek and Roman Ballista

    $119.95
    - High quality, naturally white hardwood. - Can be stained any color - Precision cut by computer - Authentic trigger and winch mechanism - True skein torsion power- not a wimpy spring - Actual range from 20 to 40 feet or more! Learn More
  2. The Lever Paradox

    The Lever Paradox

    $49.95
    - Made in USA - Constructed from top quality plywood - Wonderful demonstration of physical science Learn More
  3. YoMod - YoYo Engineering Kit

    YoMod - YoYo Engineering Kit

    $49.95
    - Design a yo-yo that matches your skill level - Modify performance of three completely different yo-yos - Interchangeable parts allow you to customize responsiveness - Includes 3 different YoMod Yo-Yos (G-R, BX2 and ProSpeed) Learn More
  4. Air-Stream Machines

    Air-Stream Machines

    $69.95
    - Kit uses a unique blower motor and a safe, soft-bladed fan to drive a series of models - Perform 10 experiments with 59 pieces - For ages 8+ Learn More
  5. Rocket Science

    Rocket Science

    $34.95
    - Perform 18 rocketry experiments - For ages 8+ Learn More
  6. da Vinci Helicopter Kit

    da Vinci Helicopter Kit

    Regular Price: $24.95

    Sale $19.00

    - Made of natural, untreated wood - Pre-cut pieces assemble easily in about one hour - Measures 38 cm tall x 23 cm across once assembled Learn More
  7. Hydraulic Robotic Arm Kit

    Hydraulic Robotic Arm Kit

    $21.95
    - Wood kit great for budding engineers - Simple assemble includes all necessary parts - For ages 8+ Learn More
  8. Siege Tower

    Siege Tower

    Regular Price: $34.95

    Sale $24.00

    - Assembles in 1-2 hours - All wood pre-cut and drilled - Requires scissors and tape Learn More

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Items 33-40 of 118