Pop-up Park by Prevue Pet Products Inc. is an interactive playground that is built into its own convenient storage case, enabling it to be set up quickly and stored away neatly, according to the company. When open, this 15-in. by 27-in. playground features a variety of shapes, diameters, angles and surfaces designed for healthy foot development, exercise and stimulation, the company reports. Ideal for small to medium birds, the playground includes perches, ropes, a swing, bell and ladder, the company states. Made of wood, cotton rope and a bird-safe bell, all colors and finishes are 100 percent pet-safe, the company adds.