To people who like roller coasters

Lamarcus Adna Thompson made roller coasters popular.

The first roller coaster opened in 1884 on coney island

called the Switchback Railway.

coney island

Roller coasters have break systems

to slow the cars down.

Roller coasters are made of wood.

Roller coasters are made of steel or wood.

Roller coasters have break systems ro raise the cars up.

The Steel Dragon 2000 is 8133 ft long.

The steel dragon take. four minutes complete.

The steel dragon goes 95 mph in some places.

some roller coasters have three sets of wheels so it will not come of the track.

Roller coaster train cars have special safety mechanisms to keep them attached  to the track.