We have seen people building some amazing things:

Amazing – what people can build

Here is another one – a person who has built his own complete pinball machine pretty much from scratch, and then describes the whole process:

Bill Paxton Pinball “Making Of” part 1

If you have ever thought of building your own pinball machine, or if you have ever wondered what goes on inside a pinball machine, this is a great article. This machine has a little bit of everything.

Here’s one tiny example of what he has done. The following video describes the “U-571 mode” in the game:

Here’s what he had to do to make it work:

Part 4 of the article contains more details of this feature, including things like limit switches and lighting.

When you read through the whole article, the amount of effort he has put into this machine is amazing.