Shop click on the multi-compartment oven, open, click on the oven, click on the oven is how many levels of multi-compartment oven is how many levels. Multi-compartment oven to get need to honor points upgrade. When leveling up to 10, the system will give a multi-compartment oven (one will be given for every 10 levels). If you have already leveled up, you will be prompted for a gift, which can be found in the "Warehouse" in the "Packages" section.