Wind-up Toys: X-Stream 5" Foam Glider-twin Pack Internal Wing Plane Glides through Air and Water

X-Stream 5" Foam Glider-twin Pack Internal Wing Plane Glides through Air and Water Reviews

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X-Stream 5" Foam Glider-twin Pack Internal Wing Plane Glides through Air and Water Feature

A twin pack of 5" X-Stream
Internal Wing Aircraft
Wingspan: 5 inches
Two assorted colors-No Color selection when ordering
Model: X-5

The Internal Wing Aircraft (IWA) was invented by Robert Carr to capture the energy wasted by conventional wings. When air passes through the unique wing configuration nearly all of the energy is used and creates the phenomenon that we call "Dynamic Natural Propulsion" (DNP) The DNP Effect als works in water by converting buoyancy to thrust