Adirondack Chair Kit: Amazon.co.uk: Garden & Outdoors.Adirondack chair kit. Professionally tanalized making it perfect to live outside all year round. Screw, bolts, washers and full clear instructions. All that is required to put the kit together is a 10mm spanner and a philips screwdriver. Assembly by Alfresco Furniture takes around twenty minutes, so for the first timer should be less.