1538Views3Replies

Author Options:

Knex Roller Coaster Booster Answered

Hey guys, I made a roller coaster booster.

Instructions are here.
http://knexinnovation.gigacities.net/forum/viewtopic.php?t=214&highlight=

Discussions

Basically,if your coaster train is nearing the end of the ride,these things would pull it into the station aka tire drive.

What does it do?