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  • Thames & Kosmos 550020 Rubber Band Racers

    Thames & Kosmos 550020 Rubber Band Racers

    Product Description Fly into physics fun with five awesome models driven by a rubber band powered propeller. Using ultralight plastic and bamboo parts, build a helicopter, airboat, airplane, fan car, and hydrofoil. Learn how the elastic material stores...
    $21.95
    $19.75
  • Thames & Kosmos 550030 Solar-Powered Rovers Thames & Kosmos 550030 Solar-Powered Rovers

    Thames & Kosmos 550030 Solar-Powered Rovers

    Description: Thames & Kosmos 550030 Solar-Powered Rovers The sun™s energy can be used to do some pretty astonishing things! Get ready to explore the amazing capabilities of solar energy by building your own solar-powered vehicles and devices. Using a...
    $21.95
  • Thames & Kosmos 550034 Gravity Bugs - Free-Climbing MicroBot

    Thames & Kosmos 550034 Gravity Bugs - Free-Climbing MicroBot

    Product Description Going up! Build a mighty robotic bug that defies gravity to crawl up, down, and all around windows with ease! This motorized, multi-legged machine uses an ingenious system of suction cups to walk on smooth vertical surfaces like...
    $24.95
    $22.45
  • Thames & Kosmos 550035 Incredible Inflatable Aero Dancer

    Thames & Kosmos 550035 Incredible Inflatable Aero Dancer

    Product Description Build a zany inflatable tube dancer that uses the physics of flowing air to perform its eye-catching moves. Like the air dancers and tube men you may have seen around yourtown, this motorized device uses a blower motor and a fabric...
    $22.95
    $20.65
  • Thames & Kosmos 550037 Orbiting Solar System Thames & Kosmos 550037 Orbiting Solar System

    Thames & Kosmos 550037 Orbiting Solar System

    Description: Thames & Kosmos 550037 Orbiting Solar System Set the planets in motion with a flick of your wrist! Build a mechanical model of the solar system including the sun and eight planets (also known as an orrery), wind it up, and watch the planets...
    $29.95
    $26.95
  • Thames & Kosmos 550041 Easy Electric Circuits Thames & Kosmos 550041 Easy Electric Circuits

    Thames & Kosmos 550041 Easy Electric Circuits

    Description: Thames & Kosmos 550041 Easy Electric Circuits Explore the science of electricity in a fun, hands-on way by building 20 electric circuits and motorized devices. Conduct experiments to learn about many electrical components and physical...
    $31.95
    $28.75
  • Thames & Kosmos 550047 WindBots: 6-in-1 Wind-Powered Machine Kit Thames & Kosmos 550047 WindBots: 6-in-1 Wind-Powered Machine Kit

    Thames & Kosmos 550047 WindBots: 6-in-1 Wind-Powered Machine Kit

    Description: Thames & Kosmos 550047 WindBots: 6-in-1 Wind-Powered Machine Kit Build six awesome bots that move without any batteries or electricity. The secret behind these fascinating machines is one of the oldest power sources in the world: wind! A...
    $32.95
  • Thames & Kosmos 550201 Gecko Run: Marble Run Starter Set Thames & Kosmos 550201 Gecko Run: Marble Run Starter Set

    Thames & Kosmos 550201 Gecko Run: Marble Run Starter Set

    Description: Thames & Kosmos 550201 Gecko Run: Marble Run Starter Set Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marble run uses a specially designed...
    $34.95
    $31.45
  • Thames & Kosmos 550206 Gecko Run: Marble Run Deluxe Starter Set Thames & Kosmos 550206 Gecko Run: Marble Run Deluxe Starter Set

    Thames & Kosmos 550206 Gecko Run: Marble Run Deluxe Starter Set

    Description: Thames & Kosmos 550206 Gecko Run: Marble Run Deluxe Starter Set Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marble run uses a specially...
    $59.95
    $53.95
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