Soak the rice paper in lukewarm water until it softens.
Julienne cucumber and carrot.
Shred the crab sticks along their grain.
Cut lettuce and perilla leaves into bite-sized pieces.
Place lettuce, perilla leaves, cucumber, carrot, and crab sticks on the rice paper.
Roll up the ingredients to make the Vietnamese spring roll.
Dip it in the sauce and enjoy.