For fruit caterpillar: Slide grapes onto skewer to form caterpillar body. Add strawberry for a head.
Press chocolate chips into strawberry for eyes. Top pretzels with blueberries. Press into top of strawberry for antennae.
Lay carrots near each grape to represent legs.
For veggie caterpillar: Spread mayonnaise on wrap. Add salami, cheese, spinach and half of cucumbers. Roll up and trim off ends. Cut wrap into 5 pieces.
Slide pieces and tomato onto skewer. Cut slits in tomato and insert black olives for eyes and cucumbers for antennae.
Use remaining cucumber to represent legs.