River Crossing 2 The Perilous Plank Puzzle Thinkfun Brainteaser

River Crossing 2 The Perilous Plank Puzzle Thinkfun Brainteaser. You need to have the original River Crossing Game to use this card set. 40 challenge cards with instruction booklet. Comes with 9 hollow stumps. The 10th stump and husky dog piece is MISSING. Box corners are damaged. Smoke free home.