|What a T-Nut looks like. Drill a pilot hole in the base and then tap it in.||I used a little epoxy to hold the pole in the T-Nut just to be sure it wouldn't wiggle out.|
The last thing to do is attach the spring to the bird and to the bead that slides down the pole. I drilled pilot holes and used epoxy to hold it in place. After that dried I put the bird on the pole and then glued another wood bead to the top of the pole so that a) the bird wouldn't take a walk and b) it just finishes it off nicely. The beads are from the craft store and are about 1/2" in diameter. They already had a hole just a bit larger than 1/8" through the center so that worked perfectly.
So, that's that. This toy only took a few dollar and a couple of hours to build but has lasted for years.