‘Large - Macaws, Cockatoos, Amazons Small - Quakers, Conures, Eclectus Great interactive toy. Place small wood parts or beads or favored treats inside. Birds will spend hours trying to get items out. This mimics foraging in the wild which is important to keep your feathered companion from getting bored. Constructed from the same materials used to make bullet proof glass! 2 sizes to make all your birds happy’