Football,hockey,basketball ground, badminton etc. For all the games the boundary area should separated and clearly marked. The playground should be a grassy area. and on the sides of the playground flowers should planted so that air will become fresh. 
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We can use playground for various purposes 1. One can give it to the person who need it for doing the functions like wedding party , rituals etc. Instead of that he or she can ask for the money as the rent. 2. One can utilize it by using it for learning driving and cycling. 3. One can use it for doing social works. 4. One can make it useful by converting it into parking lot.