http://goo.gl/gbFjZL

• Visit this website to see an interactive roller coaster model.

Rollercoaster Videos!!

• https://www.youtube.com/watch?v=-dpBVtAbKJU

• https://goo.gl/k0nGkt

https://www.youtube.com/watch?v=GrD3uo5DXNM !

SHORTER LINK: https://goo.gl/JsjgCZ