Use your fingers to build Wood Bridges and let the vehicles cross them. Use as less material as you can to get the highest score. This full version includes 41 stages. Solutions available at: Change Log. 1. 0. 0 - Initial version: 10 stages. 1. 0. 1 - Bug fixes 1. 1. 0 - New stages: 15 stages. 1. 2. 0 - New Stages: 20 stages. 1.