Cut ends off celery wash them, then cut each stalk into 3.
Stuff the hollow side with peanut butter.
Slice apple into 1/4 inch slices and place flat on cutting board. Pipe a small spiral of peanut butter on the apple slices for a snail shell look. You can do this by putting some peanut butter in a ziplock bag, cutting the corner off the bag, and squeezing the peanut butter through the corner.
Cut the carrot into 18 thin sticks about 1 inch long for the snail eye stalks.