Download the template, print it, and cut out the pieces you need.
Start by gluing the eyes near the top of the taco shell piece.
Place the mouth just below the eyes and glue it down.
Take the tongue piece and glue it inside the mouth.
Layer the tomato pieces onto the lettuce cutout, gluing it down.
Add the cheese strips over the lettuce and tomatoes.
Glue the beef piece on top of the lettuce, allowing the toppings to peek out from behind.
Stick a few extra tomato pieces and cheese strips along the edge of the beef piece.
Finish by placing the taco smiling face on top of the assembled toppings.