First, print or copy The Sprout House printable onto Colored Cardstock or construction paper. You could also print on thick paper and color. Next, cut out the house and the "window".
After that, dampen a paper towel with water and fold so it fits inside the plastic bag. Place a few lima beans inside the bag on the moist paper towel.
Next, close the bag and staple the "house" on top so that you can see the seeds through the "window".
The sunlight and wet paper towel will create condensation and continue to provide water, but if you notice the paper towel drying out, open the bag and spray a few times.
Finally, tape the sprout house to a window that gets enough sunlight and watch as the seeds begin to sprout and grow.