The Penn-Plax Small Bird Starter Kit is a complete set that includes a birdcage, wood perches, food and water cups, mineral treat, cuttlebone, calcium perch, interactive toy with bell, and 5-step ladder. The cage is made of durable wood and features a sturdy, impact resistant base with high sides that control seed and food scattering. The cage also has an easy access bottom grid and an incorporated slide out tray for simple and quick cleaning. The bar spacing is 3/8 inches.