Tefal Ingenio Mix: durable coating Ingenio takes up little space and does a lot of work! Thanks to the Mix series, you can create your own set and make additions to your existing set according to your needs. From the stove to the oven, from the refrigerator to the table, all you need is Ingenio removable handle! You can complete the Mix series with the Ingenio handle, which can carry up to 10KG and has three safety systems.