Melt margarine and chocolate chips together in a microwave or double boiler, stirring until smooth.

In a large bowl, combine the melted chocolate mixture with the white and colored mini marshmallows.

Spread coconut evenly on a sheet of waxed paper.

Spoon the marshmallow mixture onto the coconut-covered waxed paper.

Roll the mixture into logs, coating them with coconut.

Place the logs in the freezer to set.

Before serving, slice the logs into sections about 1-inch thick.