[Chip and Ron attach posts to east end of log]
[Ron and Isaac attach posts to east end of log]
[Chip, Isaac and Ron attach posts to east end of log]
[Ron and Chip shape west end of log]
[Ron and Chip shape west end of log]
[Chip shapes west end of log]
[Chip shapes west end of log]
[Chip and Isaac prepare to attach posts]
[Chip and Isaac prepare to attach posts]
[Chip, Isaac and Ron attach posts to east end of log]
[Isaac, Chip and Ron attach posts to east end of log]
[Ron, Chip and Isaac cover log]
[Model canoe in front of chalkboard]
[Ron prepares to attach posts to middle of log]
[Isaac climbs to top of log]
[Ron and Chip prepare to attach posts to middle of log]
[Chip, Isaac and Ron prepare to attach posts to middle of log]
[Chip, Isaac and Ron prepare to attach posts to middle of log]
[Chip, Isaac and Ron prepare to attach posts to middle of log]
[Chip, Isaac and Ron prepare to attach posts to middle of log]