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Speed, power, catapults, and collisions! Physics is full of action! Kids will have the 20 models in this introductory physics kit racing, rolling, flying, falling, crashing, balancing, and spinning around in 22 action-packed science experiments. After following step-by-step illustrated instructions to build each model, kids test the models to demonstrate and comprehend basic laws of mechanical physics. While building the models and reading through the manual, young researchers learn about various topics in the fascinating world of mechanical physics and engineering. Start your physics adventures by building a balancing tightrope walker, a moving elevator, and a high-g astronaut training centrifuge to learn about forces, gravity, and weight. Learn how to measure forces by building a force meter. Examine physics at the construction site to learn about work and simple machines. Build a pulley system, crane, and inclined plane to lighten the load and make work easier. Experiment with storing energy and converting energy by constructing models of a rocket car and a skee-ball mini golf ramp. Assemble three machines from the Middle Ages ? a wheelbarrow, a balance scale, and a trebuchet ? to learn how levers have helped people do work for centuries. Explore the concept of trajectory. Continue your lessons by building a windmill, a drop-test device, and various parachutes to investigate the forces of air and air resistance. Expand your perspective out into the solar system to discover the force and motion of the planets and the sun. Build a sundial and a rotating Earth-and-Moon model. Take a crash course in applied physics with a series of automotive models and experiments: Construct a crash-test simulator and an airbag testing station to learn about momentum. Assemble a working gear train to learn how gears transmit and alter forces. Finally, make an all-wheel drive vehicle with a flexible jointed design for optimal performance on rough terrain. Kids First Physics Lab

The Fuel Cell X7 is a simpler edition of our original Fuel Cell Car & Experiment Kit. This kit includes the award-winning model fuel cell car with its unique reversible fuel cell. The Fuel Cell X7 edition is designed to be accessible to more users, both in terms of content and price. The manual focuses more on building and designing a fuel cell car, rather than the comprehensive lesson on the science of fuel cells and solar cells found in the original version. The minimum age is lower and the instructions are geared toward a younger audience. The kit has been optimized for simplicity and ease of use over thorough experimentation. With its new focus, some parts have become unnecessary and have been removed. The kit that is right for you or your child will depend on your needs, interest level, and age group. The full-color, 16-page manual contains easy, step-by-step instructions for assembling and using the car, as well as scientific explanations. Features: ✔ Assemble a working fuel cell car ✔ Discover how fuel cells work ✔ Use a unique reversible fuel cell ✔ Learn about the potential alternative energies for automobiles ✔ Learn about fuel cell car design ✔ Ages: 10+ ✔ Experiments: 3 Additional Features: ✔ Subject: Fuel Cells, Alternative Energy / Electrochemistry ✔ Dimensions: 14.6" x 11.5" x 4" ✔ Weight: 2.2 pounds ✔ Batteries Required: (2) AA