Gimmicked Boards

Hello everyone, I'd like to know if anyone has any knowledge about gimmicked boards for performing effects. I'm interested in how they could be made, as I've researched extensively but haven't found any results. I'm looking for information on this because I've seen them used but can't find anything similar or related.

Examples include the ones street magicians often use to vanish objects (I'm not saying all street magicians use them, but I've seen some who do). Another example would be Eric Chien's board (that's specifically what I'm looking to replicate).

In some of his acts, like his coin routine. We could also include Black Art boards like Shim Lim's, but that's a different subject altogether. In general, I'm looking for any videos, instructions, or books on this. If anyone has any information, I'd really appreciate it.