This toy is comprised of four square cubes stacked one over the other. Two have slide out doors and two have pull out drawers, and each cube opens from a different side. You can easily reposition the cubes to continue stimulating your bird’s interest. The bird must stand on one foot and hold the device steady with the other, then open the door or drawer with his beak to collect the food items. This devise requires extremely good balance and coordination, so make sure you use your bird’s favorite treats!