Recycled Hilltop ChallengeDogs will race up and down the Recycled Hilltop Challenge. Highest in the middle, the structure is crossed with slats that allow dogs to get a grip on the surface as they work their way up and then down again. A crucial agility and speed event in a dog training course, it will have its place in almost any dog park design. Environmentally friendly, the Recycled Hilltop Challenge is both robust and beautiful. Each recycled plastic plank takes on the