It’s not the first time we’ve scene a rocket-powered bike, nor is it the first time we’ve seen a bicycle that flies. But these innovations come with a couple tech twists.

First, three Czech companies teamed up to make a prototype of an electric bicycle that made its first successful remote-controlled, five-minute flight Wednesday in Prague.

Remote controlled, flying, and rocket bikes

A picture taken on June 12 , 2013 at the hall of Letnany fairground in Prague shows a dummy sitting on the flying bike, a unique construction of Czech designers and modern technology of French company ”Dessault Systemes – 3D software tools”. This bike flies thanks to six futuristic horizontal propellers and an electric motor. (Photo: MICHAL CIZEK/AFP/Getty Images)

Weighing 209 pounds, the hefty looking mountain bike has two battery-power propellers in the front, two in the back and one each on the sides. Due to its weight, a dummy rode in the saddle for the test.

Milan Duchek, technical director of Duratec, a bicycle frames maker, says more powerful batteries will be needed before a human takes a two-wheeled flight.

Remote controlled, flying, and rocket bikes

Journalists take photos of a flying bike, unique construction of Czech designers and modern technology of French company ”Dessault Systemes – 3D software tools” on June 12 , 2013 at the hall of Letnany fairground in Prague. This bike flies thanks to six futuristic horizontal propellers and an electric motor. (Photo: MICHAL CIZEK/AFP/Getty Images)

Take a look at the contraption in motion:

The next somewhat crazier and DIY experiment — outfitting a woman’s bicycle with rocket power — was done by Colin Furze, who according to his website, is a plumber in the U.K. who hosts a YouTube channel with some of his interesting engineering feats.

The latest he describes as “an old womans [sic] bike built for shopping turned into a bomb inspired safety hazzard [sic].”

Remote controlled, flying, and rocket bikes

(Image: YouTube screenshot)

Check out the homemade jet bike:

(H/T: Popular Science, Gizmodo)

The Associated Press contributed to this report. 

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