Bipolars over Snoqualmie Pass 550 pc Jigsaw Puzzle -Train theme- by SunsOut Bipolars over snoqualmie pass 550 pc jigsaw puzzle -train theme- by sunsout. 550 piece puzzle - completed size: 15x24. Puzzle artist: larry fisher. Eco-friendly - soy-based inks - recycled board - made in the usa. Interlocking pieces & durable construction.