Here is a cool underwater glider that lets you fly underwater like a dolphin. The Subwing Honeycomb has independently-working wings, so you can easily dive up, down, and spin. Subwing Honeycomb is made of a durable ABS polymer shell.
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A towable speed of up to 5mph is recommended for this. Once you are done, you can disassemble your Subwing for easy storage.
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