Cobble Hill - 500 Piece - Harvest FestivalThe Harvest Festival starts today featuring homemade jams, quilts and local produce, and of course, ducks and dogs. Take an adventure with Cobble Hill's 500 piece random cut puzzle made with textured linen print paper to reduce glare and a reference poster to help assemble the puzzle. Take an adventure with Cobble Hill's 500 piece random cut puzzle made with textured linen print paper to reduce glare and a reference poster to help assemble the puzzle.