Place hummus in a small bowl.
Peel the carrots.
Slice them lengthwise.
Halve each slice, and round the top half with a knife.
Trim the bottom half into a zig-zag.
Use the metal straw to make the mouth.
Top with candy eyes or make holes for eyes with the straw.
Use the alphabet cutter to write 'BOO' out of carrot and stick the letters on top of the hummus.
Assemble the platter.