THESE OPTIONS ARE FOR THE WOOD HOUSES ONLY, NOT THE TREE STUMP HOUSE OR ECONO HOUSE. THE ONLY ITEM ON THIS PAGE THAT CAN BE ORDERED WITHOUT A HOUSE IS THE STANDS. MAKE IT LARGE $49.00 DOOR UPGRADES ADD A WINDOW $17.50 ADD REAR DOOR STANDS Weatherproof outlet $29.00 BULB UPGRADE $11.95 ULTIMATE BULB UPGRADE $35.00 GET IT QUICKER $99.00 ADD ELECTRICAL CORD $6.95 MARINE VARNISH CLEARCOAT $29.00 KBS DIAMOND CLEARCOAT $49.00 CEDAR LINING(interior) $29.00 6 pack infared bulbs $59.00 CATNIP BLANKET $9.95 HEATED PAD $69.00