Round up all your toy trucks, and use them as decorations and table toppers.
Make some construction signs and hang them around the party room. Signs like Hard Hat Area, Little Men at Work, Caution and Work Zone.
Buy birthday zone or caution tape, and hangd it in strips by the front door to create a curtain that guests have to walk through.
Buy or borrow small orange cones to use as decorations. If your public works department will loan them, borrow a road closed sawhorse and put it at the end of your driveway.
Use your child's large toy trucks as a centerpiece.
Use a toy dump truck to hold the goody bags or party favors.
Use new, clean dump trucks to serve food.
A new, clean paint tray is perfect for cut up fruits or vegetables.
Give your guests small shovels to eat their ice cream. They can be found in the doll sections of most craft stores.
Use wheel shaped pasta to make a pasta salad.
To make a dump truck birthday cake, buy or make two pound cakes. Cut a small piece from the top of one cake to look like the dumper. Put the two cakes together on a platter back to back. Ice them with yellow frosting. Fill the dumper part of the truck with crushed chocolate cookies to resemble dirt. Use small chocolate covered donuts for wheels.
Use construction hats as serving bowls to fill with candy, chips or pretzels. Smaller hats can be used to serve dips.