Preheat oven at 180°C.
Cream together butter and powdered sugar in a bowl using an electric beater. Add vanilla essence and mix. Sieve in refined flour and rice flour and fold well.

Add sesame seeds, mix and knead into a stiff dough. Divide the dough into 2 equal portions and shape them into balls.
Transfer a portion of dough on the worktop and roll out to make a thick sheet. Cut the sheet into few diamonds using a medium size diamond shaped cookie cutter. Cut out few of small diamonds using a small size diamond shaped cookie cutter. Discard the excess dough.

Place medium size diamond cookies on a baking tray. Cut small diamond cookies into triangles and place each triangle each on one edge of each medium diamond cookies and press lightly to give them a kite shape.
Place the baking tray in preheated oven and bake for 10-12 minutes. Remove from oven and cool.

To prepare sugar icing, combine icing sugar and milk in a bowl and whisk well. Fill the sugar icing in a piping bag fitted with a small nozzle.
Transfer the baked cookies on the worktop, pipe out sugar icingon top and decorate with some sprinklers.

Place the cookies on a serving platter, pipe out some sugar icingto make kite threads and serve immediately.