One thing that you will usually find a lot of at thrift stores are frames. They are so easy to redo with a little paint and minimal supplies. I wanted to do a small gallery wall of frames in various sizes so I chose a bunch of totally random frames. Some still had glass and some didn't, I just tossed the glass in the trash. I spray painted all the frames a solid white with a matte finish.
I saw an idea on Pinterest a few years ago where someone had created a framed board with fabric in it and used it to display accessories for a little boy (bow ties and that sort of thing). So I decided to used one of the larger frames in a similar fashion.
I suggest just using sewing pins to attach the accessories to the boards. That way it isn't permanent. Since the backing is cardboard, everything pinned on really easily. Its probably best to used pins without a pearl head like I did, that's all I had on hand. The pins without a head would be less visible. Whatever you use, just keep the frames out of reach from your little ones..
And here is the finished board, I have a couple more bow ties to add but didn't want it to look to cluttered for the purpose of the blog post...
Happy accessorizing for you little man. And I hope you are inspired to create your own little fabric board to display his little dapper accessories!