The Bonsai Set is a collection of seven flowering bonsai plants in the Animal Crossing series introduced in Animal Crossing: Wild World. While the items in this set have been present since Doubutsu no Mori, they were not designated as an official set until Wild World.
Doubutsu no Mori, Animal Crossing, and Doubutsu no Mori e+
Animal Crossing: Wild World
Animal Crossing: City Folk
Animal Crossing: New Leaf