Smear a sheet of lavash with mayonnaise, cover with a second sheet of lavash and also smear with mayonnaise.
Grate the melted cheese and eggs on a coarse grater and spread over the entire surface of the pita bread.
Grate the crab sticks on a coarse grater, spread over the pita bread.
Randomly arrange the red caviar.
Grate a fresh cucumber on a coarse grater, spread over the pita bread.
Arrange the lettuce leaves in any order.
Roll out the pita bread with the filling into a roll, wrap with cling film.