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Listings by 'frankchlin'

FLYABLE SAILBOAT (1428 views)
Asking price:Make an offer

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Inflatable swimming gasbag (1329 views)
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Many air chambers tire structure with trachea is connected (1199 views)
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Self-powered massage shoes soles (1445 views)
Asking price:50,000 USD

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Snorkeling Mask for diving that can electronically admit air (1517 views)
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Submarine structure (1466 views)
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Tire inflation tire patching device (1399 views)
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