Put peanut butter on one side of the cracker.
Lay out 8 pretzel sticks on top of the peanut butter--four on each side. Make sure the end on the inside is near the middle of the cracker for stability.
Put peanut butter on the bottom of the top cracker, then place on top of the pretzels and bottom cracker.
Put a little peanut butter on two raisins, and place them on the top cracker for eyes.