Zhang Wuyi sits in his newly made multi-seater submarine at his new workshop Diy Deals near an artificial pool in Wuhan, Hubei province, November 14, 2012.REUTERS/Stringer

A bike that floats on water; a suitcase that doubles as a scooter; an instrument that also combs hair.

These are just some of the brilliant, innovative, and strange inventions conceived by China’s Diy Deals inventors in the Diy Deals last few years. 

The pictures below show some of the coolest backyard inventions in recent memory.

(Captions by Christian Storm, Rebecca Baird-Remba, Adam Taylor and Reuters.)

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