[Clears throat, steps off soapbox.]
The gumballs on the original site were all painted one color, which was very cute, but I liked all the colors so I just sprayed them with clear acrylic for a finish.
I'm not sure how well this would hold up outdoors even with the acrylic coating, so I have it hanging indoors.
Here's my smaller Valentine's Day version.
They are so cute I could just eat them. No need though, I have lots of leftover gum.
Anyone need any gum?