This Book introduces the younger readers to the science principles behind the working of machines. See how cranes lift, tractor pulls, ship floats, planes fly, and much more. Test each principle by building a model car with working parts, a crane that lifts, a glider that flies, powered boats, and rocket that really takes off.
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Planes , Ships, Helicopters, Gliders, Submarines, Hydrofoils, Cars, Trains, Motorcycles, Rockets, Shuttles, Satellites, Trucks, Tractors, Cranes etc….