Grow your own seedlings from home. Using this seeding nursery box is easy. Saves you time and effort. Add seeds and you have a mini greenhouse that will fit on your window sill. Each includes THREE 5.8 x 7.3 inch bottom trays 12 hole inserts with drainage holes and a clear dome for germination. Kit also includes 36 30mm seed starting plug pellets. You only need to water once a week. Start your seedlings and transplant in garden or pots/planters when youre ready. Fun For All Ages. Ideal Growing Environment Promotes Healthy Root Development. Three Mini Green Houses 36 - 1.5 X 1.5 Inch Holes 2.2 Inches Deep Plugs Weight: 1.45 Lb Length: 7.3 Width: 5.8 Height: 4.25 In Color: Green Material: Plastic