As with all things, there are people out there whose inventiveness and hard work can make even your greatest Do-It-Yourself projects look like a pile of off-brand crap in comparison. Here are the top 10 examples of some of the coolest stuff people just got up and built in their spare time, because screw you, feeling good about your own accomplishments for even a second!
10. An Alien Tank
9. A Video-Game Racing Cockpit
8. A 4-Person Monster Bike
7. A Star Wars-Themed Bunk Bed
6. A Working Submarine
5. A Jet-Powered Mini Monster Truck
4. A Gigantic Optimus Prime Statue
3. A UFO
2. A Helicopter
1. A Roller Coaster