Enjoy year round gardening with the Sprout and Grow Greenhouse with Wonder Soil. Place the three sectioned trays into the greenhouse base.Then fill each of the 18 sections with a few Wonder Soil wafers. Just add water and watch it expand. Wonder Soil is an amazing new soil that is nutrient enriched for faster plant growth and polymer fortified for better drainage. The light weight mini-wafers absorb water quickly and easily. Just add water and the wafers immediately begin to expand 10 to 15 times their original size! Plant the seeds and cover the base with the transparent lid. Special Wonder Soil nurtures seeds for optimum growth. The essential nutrients in Wonder Soil are undeniable as roots begin to grow vigorously and young plants sprout within days. This water absorbent soil requires only half as much watering as other soils and keeps growing plants from drying out. Plants grown in Wonder Soil grow rapidly with large foliage and bright green colors.