The MTD Lawn Mower Mulch Kit switches the tractor from packing mode to mulching mode, to finely shred grass clippings and release them to the ground. This lawn mower mulch kit reduces the need for additional nitrogen fertilizer by returning nutrients to the soil. The lawn mower mulch kit can include several pieces. This lawn mower mulch kit includes blades with a 6-point star center hole pattern, one molded plug and mounting hardware. These blades included with the lawn mower mulch kit cuts grass cleanly and makes their way through grass more efficiently, reducing overall mowing time and effort.