Follower is a model where turtles try to attach to each other and follow the movements of unattached turtles. Turtles pass through states and eventually form circles and long connected chains.

For detailed instructions on using the program, take a look at the info window from the Follower model.

Download the StarLogoT source code for the Follower model:
Download follower

To run this file you need StarLogoT2002 for the Macintosh.
(download StarLogoT)

Click on one of the pictures to see a quicktime movie of the model:
This movie shows a typical run of follower. There are 4500 turtles.