You can see photos and more ColecoVision things atThe Coleco Expansion Module 1: the Atari adapter allowed customers to play their Atari 2600 cartridges on the Colecovision. After being sued by Atari, Coleco continued to make the module, except then began to pay royalties to Atari. This paved the way for other companies to make clones of the Atari 2600. 1982, $59.95USD