What a fun idea! The pencils inside are actually chocolate, once you're done eating make sure you don't through away the container because it has a crayon on top and looks like a very handy place to store your (real) pencils.
 
Ingredients: Sugar, cocoa butter, whole milk powder, cocoa mass, skimmed milk powder, emulsifier: soya lecithin; flavouring: vanillin;. Contains cocoa solids 32% min. & milk solids 20% min.