Diy Agility Course For Dogs . Eight pieces of pvc, cut at. Making your own dog agility tunnel is actually very easy. Dollar store weave poles Dog agility course, Dog agility course diy from www.pinterest.com Diy dog agility courses are a great way for dogs to have fun while getting some exercise. Layout the poles in a straight line and mark off every 24”. Before you ever start training, let your dog explore the course.