The Ultimate Windowsill Plant Propagator The Perfect Way To Grow Healthy Young Plants From Seed!1 Fill Plant Modules With Compost And Firm Down. Turn The Transparent Lid Upside Down And Press Down On Module Tray To Create Seed Holes.2 Sow Seeds And Water As Directed On Your Seed Packet Instructions.3 Partly Fill The Bottom Tray With Water And Place Plant Module Unit On Top. Keep The Tray Topped Up To Ensure Continuous Capillary Watering Action.4 Place Transparent Cover On Top. It Can Be Turned Through 90 Degrees To Expose Or Close Air Vents.5 At Potting On Planting Out Stage