Question: how to melt crayons

  Options: 
 A. while children fill the mini various shaped cake tins with crayon pieces, arranging them in interesting designs. Bake just until the waxes have melted i a room tempertaure oven 15 to 20 minutes. Remove the shapes after they have cooled. If they stick, place tray in the freezer for an hour, and the crayons will pop out.
 B. Preheat the oven to 150 degrees while children fill the mini various shaped cake tins with crayon pieces, arranging them in interesting designs. Bake just until the waxes have melted, 15 to 20 minutes. Remove the shapes after they have cooled. If they stick, place tray in the freezer for an hour, and the crayons will pop out.
Answer: B