Parental supervision needed.
Slice off the base of a peeled hard-cooked egg so that it will stand up.
Cut ear 'shapes' from piece of celery and carefully insert into top sides of egg to make bunny ears.
Use bits of carrot, or raisins to form eyes. Make small slits into the egg to place eyes. Do the same for nose.
You can use slices of green onion for whiskers.