The Windjammer 6000 gutter connected greenhouse is designed to meet almost any budget. With easy to follow, step-by-step instructions you’ll find this greenhouse very simple to construct. Even first-time builders find the experience easily manageable. Incorporating 2 1/4" Square ground stakes and 2" square tubing, this is one of the strongest structures in its class. The high side walls and extreme peak heights of the Windjammer 6000 series optimize the growing environment for increased plant production.