Purple and Pure’s Eco-Friendly Seed Pencils are a creative way to promote the importance of using recycled materials in the production of everyday items. These pencils are crafted with seeds fused into them, which makes them great for your budding green thumb. Made from recycled paper and seeds, these pencils are perfect for writing down your thoughts and ideas. How to plant your Plantable Eco Pencil? When the ink is finished, it cannot be refilled again. So after using them, bury them inside the soil in the pot at an elevation of around 45 degrees. A starch side containing seeds will go inside the soil and starch will get dissolved in water. After a few days, a new plant will come out. Plant them once you’re finished with them, and watch them grow!