Space Invaders necklace

Just out of curiosity, did you make these in layers with the grain in opposition?  These are really cool, but they look like the little dangly bits would be easy to break off.  I was going to suggest using veneer plywood to make more, or backing them with metal/plastic.

They are cool.  You so should do a gorchet (I don't think that's quite the right piece of jewelry I'm thinking of....big fan shaped necklace) with a whole set of Space Invaders (and maybe a cut glass player tank dangling at the bottom