Building an LED grow box can help to provide enough light for your plants to grow during the winter. It also can give you more space to grow plants by allowing you to grow them in crawlspaces or closets. Gardeners use grow boxes mostly for sprouting plants that they will later plant outside in their gardens. Use LED lights rather than regular bulbs because LED lights do not produce as much heat, which can damage young plants. More and more professional led light supplier tech information on the topledsupplier website.