Learn to garden the easy way. Grow the companion plants of Tomato and Marigold for a burst of flavor and bright color. The Buzzy Kids Windowsill Grow Kit is a fun and easy DIY project for any gardening experience level. Simply add water to the growing medium pellets and watch them expand, ready for planting. Windowsill kits are designed for a variety of indoor or outdoor surfaces. Each kit includes a galvanized metal windowsill container, seed packets, growing medium, and growing instructions.