Cut the crab sticks into small strips.
Add a finely chopped cucumber to them.
Peel and grate the radish on a coarse grater and add it to the crab sticks.
Cut the avocado in half, remove the stone and carefully remove the avocado pulp, which is finely chopped and add to a plate with the rest of the ingredients.
Season everything with mayonnaise, mix and pour the avocado halves.