# Add the granulated
sugar into the water. Stir it until the
sugar dissolves.
# Add
lemon juice in it.
# Fill more than half of the ice cube tray, and place it into the freezer.
# When it starts to crystallize dip the toothpicks into the cubes.
# Rest it for a while in the freezer, and then fill the remaining part of the cubes by the remaining mixture, and then place it into the freezer again.
# When it turns to completely frozen, serve it.