Jump Start 12 Pellet Greenhouse fits in your window sill!  Or grow more with Jump Start 36 Pellet Greenhouse.  Grow your own vegetable, herbs and flowers from seed right in your home in a sunny windowsill.  Biodegradable pellets expand quickly.  Reusable dome and waterproof tray maintains humidity and warmth.  Once your plants have taken root, transplant pellets directly into larger pots or in the garden without the worry of damaging their tender new root systems.  Earth-Friendly!