THE EXPANSIONS:

One of the strong points of the colecovision was the ability to expand the system.
During the lifetime of the Colecovision, Coleco has released a number of expansion modules for the system. For more information on the various expansion modules for the Colecovision, click on the Expansion module of your choice below:

Expansion Module #1 - Atari 2600 Adapter
Expansion Module #2 - Driving controller
Expansion Module #3 - Adam computer module
Expansion Module - Super Game Module (cancelled)
Expansion Module - Intellivision Adapter (unreleased)
Expansion Module - ColecoVision Modem (unreleased)
The Super Action controllers
The Roller controller
Third party accessories