Cut the water melon into small cubes and put the watermelon cubes in a bowl.

Peel all the bananas and cut the bananas into round pieces. Put the round banana pieces into the bowl with the watermelons.

Cut the lemons and squeeze their juice into the bowl with the bananas and watermelon.

Mix the bananas and watermelon in the bowl using a spoon. Cover the bowl and put it in the fridge for about 30 minutes for it to be chilled.

Serve chilled.