You will need:
Egg carton
Crayons or markers 
Googly eyes
Scissors
Pipe cleaners

Instructions:

Cut 6 cups out of the egg carton but keep them together in a row uncut between those rows to form yorur caterpillar.

Insert pipe cleaners for the caterpiller antennas.  Poke a hole for each then insert.

Glue on the eyes, draw a mouth and decorate the caterpillar.

Printable craft instructions, print the craft instructions now.