An instruction to make crocodiles out of acoustic foam.
Made this a long time ago for cub scouts.

Step 1: Cutting the Pieces

backside, belly, crest and tongue

Step 2: Gluing Pieces Together

put the back piece and the belly upon each other.
Tie them together with a small piece of rope.

The eyes are made out of Ping Pong balls.
With a needle you put a piece of rope through the balls so you can bind them to your little monster.

a little paint will do wonders