Product Number: EL13354
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Grade K and up. Create and explore the phenomenon of dynamic natural propulsion. Air passes through the glider so that nearly all of the energy is used, capturing the energy wasted by conventional wings. Use the glider to observe how propulsion works in water by converting buoyancy to thrust. Perfect for a hands-on lesson in physics, engineering, or vehicular propulsion. 9-1/2 x 7 x 3-1/2. Colors may vary. No choice.