This is one of the largest and simplest tractors you'll find. The loft coop is 6'x8'. The run area is 8'x12 '. This is suitable for up to 10 chickens, but great for as few as 6.
Project Freedom Ranger: Hoop House Build
Chicken Coops That You Can Do It Youself
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Geodesic Dome Greenhouse - Part 8 - ASSEMBLING THE DOME!
XLG Geodesic Dome Connector Kits using 2x4's (not included). $149.00 Need 165 four foot lengths of 2 x 4's to go with this kit so that would be eighty three 2 x 4's
Spherical wooden bookshelf... like in a dream!
Actual people building actual geodesic domes » Domerama
Tied up Bamboo Geodesic Dome by LILD - PUC-Rio Laboratory for Investigation in Living Design at Coroflot.com