a Pair of Plastic Pink Flamingos - these are often available at the dollar store for only a buck!
Glow in the Dark Paint
Lightly draw the bone pattern onto your plastic flamingo using the skeleton pattern guideline. Paint the areas with glow paint, be sure not to use waterbased paint (washable paint) as it will NOT stick to the flamingo. Let it dry 4-6 hours, charge it well in the sunshine and watch your neighbors do a double take when the sun goes down.
Here's what your flamingo will look like to your neighbors during the day: