Crayon Carvings

I found some old crayons in my old art supply box, so gave it a try on carving on it with dual tone colors
Supplies

1.Old crayons
2.Shredder
2.Detail Pen
Carving

Now you can carve anything that your mind tells you, I've attached this pic only for an example
Shredding the Crayon

Shred various crayons for better visuals
The Fusion


Now fill the carved ares with the shredded crayons, remember to use the opposite color of the base crayon
Finishing Touch


Now, clean away the extras to make it look good