The diamond glows in the dark :] Both the pokeball and diamond are made of hama beads and the ribcage was out of a plastic lid. (you could also use shrink plastic) As you can see, its rather large :P The last picture shows the size before and after shrinking. (My phones next to it for size reference)
I forgot about the last one!
its also made out of hama beads. :]
Yay!
How to Make a Shrinky Necklace - Good things come in small (crisp) packages