John, safety is paramount. Little kids are destructive little critters, and to be on the safe side it's good to assume that they will figure out a way to break a rattle. What many turners do is put dried corn kernels inside of rattles. The sound is nice, and if they happen to be ingested by the little critters then no harm is done.
Good points. I did some reading about the safety specs for toys for small children and babies.
Some of the main points:
- Choke hazards - must be large enough to not fit through a std"choke tube"
- No small detachable parts on surface.
- Non-toxic materials.
- Strong enough not be broken an enthusiastic kid.
- No sharp edges, pinch points, or splinters.
The
toxic part makes me wonder if making rattles from some wood types could be a problem if chewed on. And I wonder about the components in some wood finishes. Rice? I asked Sir Google about ingesting dry rice and got this: "dry (uncooked) rice is an ingestion hazard
because it contains Bacillus cereus spores and lectins which can cause food poisoning and digestive issues like vomiting, diarrhea, and stomach pain." I didn't see where it said the type of dry rice. Pat W. said he uses popcorn kernals.
The part about
splinters might be a concern with some types of wood and grain orientations.
The
strength part makes me wonder about what happens if a captive ring is broken along the grain - could any pieces be choking hazards? Making the body of a hollowed rattle strong should not be a problem (unless given to the child the incredible hulk)
As for what's inside - what's inside commercial baby rattles? I've never smashed or cut one open to check.
Do they use something like rice? Sound more like plastic beads.
Hey, perhaps perfectly safe projects for captive rings would be wedding goblets and art! And things to puzzle beginning turners...
Relatively safe noise making things could be a pair of moraccas - I have several sets- kids from babies to my age love them. Google tells me they are often filled with seeds, beads, or pebbles. But not much practical use for captive rings on them...