Take the 1 big round shape watermelon slice and cut in in the shape of half moon and then place the 2 round sweet lime slice on it. Make the eyes with the banana and olives by placing them on top of sweet lime slices. Use the banana slice and give it a triangle shape for nose and place in the middle of watermelon slice as shown in the pic. Below to the nose, place some olive slices to prepare for mouth.

Place the French beans under the water slice to give a shape of tree stem and use the red grapes for the leaves placing to the tree stem.