Paul has asked for a
thread here to introduce people to TimberToys. They are the creation of tenthjuror, a user on the website imgur.com, who posted the following photos in
an album there. Accompanying commentary describes these as a
project originally made for his son. Here's what TimberToys look like:
According to the commentary, the corner blocks are made simply by laminating 2x6s together, cutting them to shape on a table saw and boring the holes with a drill press. Here are some images including tenthjuror's son, which give a sense of the size and strength of these toys:
Here's a detail shot of the clips that can be seen in a couple of the previous photos:
Finally, here is a picture showing the setup used to cut the tenon ends on the connecting rods: