LIST O FURBY MERCH!
...1998/99 PRIMARILY...

America

McDonald's

1999 Figures

From March 26, 1999 - April 22, 1999, American McDonald's distributed miniature, sculpted Furby figurines with Happy Meals. These toys came in eight sculpts with 10 variations each, which made 80 released in total.

2000 Plushes

From March 23, 2000 - April 13, 2000, American McDonald's distributed clip-on Furby plushes. These toys came in 12 variations.

Sources

McDonald's Press Release: "First-Ever Furby(TM) Happy Meal Program to Begin at McDonald's on March 26" (Archived)
McDonald's Press Release: "Furby is Back At McDonald's With an All-New Line Up of Plush Toys" (Repost)

Japan

Lotte

Furby Kiss Chocolate (ファービーキス CHOCOLATE)

Boxes of dollip shaped chocolates. Unknown when they released, but boxes had information about a lottery campaign to recieve furby themed prizes. This included a backpack.

Sources

Photos of Furby Kiss boxes, & more photos