On eBay right now there are two Tomy Tutor computers for sale, both in the state of MI.

In Plymouth, MI. . . (Buy It Now for $1,600.00 or submit your best offer)
http://www.ebay.com/itm/TOMY-TUTOR-V...-/121909390248

In St. Joseph, MI. . . (Buy It Now for $249.00 or submit your best offer)
http://www.ebay.com/itm/Vintage-Tomy...-/152020435614

Both include the joystick (or "Joy Stick," as spelled on the box). Game cartridges vary: the Plymouth, MI listing has four carts included (Cave Crawlers, Pooyan, Torpedo Terror and Traffic Jam) whereas the St. Joseph listing has these three carts: Jungler, Loco-Motion and Traffic Jam.

~Ben