in Scribblenauts Unmasked
Can be filled.
Scribblenauts, Super Scribblenauts, Scribblenauts Remix, Scribblenauts Unlimited, Scribblenauts Unmasked, Scribblenauts Showdown, Scribblenauts Mega Pack
The Bird Cage is a cage for pet birds. It can be used as a medium-sized container, but it can only wield one object. A bird-watcher is curious towards it, expressing the emotion when he sees it.