Grow like a pro! Use this seed-starting kit to grow bigger and better seedlings every time—we guarantee it. Developed by Burpee's experts, this all-in-one kit has everything you need to grow seeds just like the professionals. The big, reusable 72-cell tray makes it easy to start all your seeds in one unit. Each long-lasting kit includes a watering tray, 72-cell plant tray, plant stand, self-watering mat, greenhouse top, 72 Burpee Super Growing Cubes, Espoma organic fertilizer and six convenient plant markers.