bird safe glue

If I wanted to make my own version of these (below) what kind of glue should I buy? Also, what kind of sand is good? I've seen sand, quartz and a few other things online. But who here has had the best luck with which combo of grit & glue? :unsure:

I'm making toys for my bird so I'm just wondering

So I'm thinking of going into painting minis. An old, artistic spark I once had in my younger years got re-ignited thanks to the youtube rabbit hole. However, I've lived with birds for a lot longer then that spark has existed and I'd like to go in prepared for a number of reasons. I've done some...

So I pulled out the prevue Hendryx travel carrier today to wash it down so it’s all ready for bringing Māui home, only to discover a horizontal bar on the side panel has plinged out of its weld exposing raw metal! “That’s no good” I thought and promptly went off to find the receipt, warranty...