Features: Natural, eco-friendly wood material. Designed with bright color, it relieves stress and worries for the bird-. Good for the physical and mental-health of birds. By playing with parrots intelligence toy, your birds' mood will be relieved even staying home alone. Playing with this toy, keep your parrots busy, less destructive and have more fun hours-. Specifications: Material: Wood, Plastic Type: Square, Hexagon, Round, Plastic(optional） Size of Square: Approx.10x10x6cm/3.94x3.94x2.36in Size of Hexagon: Approx.7x8x6cm/2.76x3.15x2.36in Size of Round: Approx.9.5x7cm/3.74x2.76in Size of Plastic: Approx.7x7x16cm/2.76x2.76x6.30inch Package Includes: 1 Set Bird Stacking Toy note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference- between different monitors, the picture may not reflect the actual color of the item.