Wilbert is a hard-worker and when he wants a rest, he goes deep into the forest. He likes being in nature. One day, Wilbert gets a scare when a grizzly bear suddenly falls out of a tree. It turns out the bear had escaped from the wildlife park and it is soon recaptured again.
- Henry does not appear to have valve gear.
- Henry's rear wheel-arch is a cuboid.
- In the second illustration, Wilbert is missing his lamp-irons.
- In the seventh illustration, Wilbert is missing his cab windows.