I came across these things today, and cannot find them in DP7 or the online database:

Wico Command Control Joystick Adaptor 72-4530
"Turns your home computer into a video game center"

Savoy Game Storage Case. #4132
"storage case for Atari, Intellivision, and Activision games" Holds 32 cartridges.

I can take pictures if you need them.