4. Autobots, Let’s Roll out!
At number four we have another Transformers DIY project. Made by students of the Hangzhou University, it’s another Transformers DIY in China. Optimus Prime, leader of the Autobots, and stands at a height of 35 ft at their exhibition park!
3. A UFO
2. A Helicopter
Wu Zhongyuan is a Chinese farmer, has built a ‘helicopter’ spending $1,600 and claims that it can reach up to a height of 2,600 ft. However, the guy has been forbidden by the government to try his invention out. The chopper is made of a motorcycle engine and wooden blades.
1. A Roller Coaster
And finally at number 1, we have Jeremy Reid who has successfully managed to build a roller coaster in his parents’ backyard spending a time span of four years and an expenditure of $10,000. It can reach an astonishing speed of 18mph and is surprisingly quite safe.
You can find videos on http://www.jeremyreid.com/.