You cannot add "933-3261 Walthers N Cornerstone Modern Roundhouse 3 Add-On Stalls -- Kit - 10-13/16 x 3-15/16" 27.4 x 10cm; Stall Width at Rear: 3-3/16" 8.1cm" to the basket because the product is out of stock.
933-3235 Walthers N Cornerstone Walton & Sons Lumber — Kit