GQF HovaBator Automatic Egg Turner with 6 Universal Egg Racks - 1611 - Fits Chicken, Partridge, Duck, and More Fully automates the tedious requirement to turn incubating eggs several times per day. Turner holds six universal egg racks, each of which holds any size egg from a partridge up to a duck (total 41 eggs per turner). Perfect for home, school, or laboratory use - no need to turn eggs by hand. Can be used with all HovaBator incubators.