Burpee 36 Cell Seed Starting Kit, One Size Burpee 36 cell complete seed starting kit comes with one 36 cell planting tray and one water reservoir tray 36 Burpee super growing pellets Two Plant-o-Gram diagrams to note which varieties were sown in each cell Six 4" plant markers Expert tip: Place super growing pellets flat-side down and add very warm water slowly for maximum expansion