What toy airplane is powered by pumping it with air?

My son and I were in the park a few weeks back. We saw some people playing with this toy airplane. You pumped air into it with a pump that looked like a tiny bicycle pump. Then the air pressure powered the propeller for about 30 seconds. The thing flew pretty good for that 30 seconds.

What is this toy? I couldn't find anything by googling toy pump airplane.

Image by Okinawa Soba

Tags: okinawa, pumping, air pressure, airplane image, bicycle pump

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