Measure once! Start by creating a jig for the Chop Saw by taking an 8 or 10-foot scrap piece of material and clamping it to the saw. Safety equipment including Glasses, Ear Plugs, etcĬost for the Cedar Decking: Approximately $50.5 pieces of 2×4 Kiln Dried Cedar Decking 10’ Long.For instructions on how to set up the game and rules for playing, click HERE M aterials Needed These instructions will yield a Jenga set with 18 rows that have three pieces laid next to each other (a total of 54 pieces). Fun for outdoor parties, family reunions, and other gatherings, a large, “life-sized” Giant Jenga yard game set will provide hours of entertainment for a reasonable cost and a little effort.