they work by gravity and sometimes technology and fat people
rollercoasters are really fun
No, you're safe on them.
rollercoasters
Rollercoasters
Rollercoasters
Cars, airplanes, trains, some buses, shuttles (occasionaly) jets, highchairs, rollercoasters, and anything else you can think of :)
Thousands and thousands and thousands............
Rollercoasters
Yeah. He does. He went on some rollercoasters with Selena Gomez and he was more scared than he was though. haha :) Gotta love Bieber!
The highest g's known on rollercoasters are 4-5 g, on rollercoasters at the likes of six flags.
there are 65 rollercoasters
Rollercoasters and snakes