I'm looking for a budget friendly, safe and conducive play centre in Marikina City for my 3 y/o nephew. Any recommendations?

You could try Kidzoona SM Masinag. I read a few mommy blogs regarding this funzone and from their descriptions, it is everything you are looking for. They have many different stations and the highlight in my opinion, is the huge ball pool which is sure to be a hit with kids. Price wise, this is what I gathered online- Child: Php 200/hr or Php 400/3hr. An additional Php 100 will be charged for every 30min extension. It is free for 1 parent/guardian per one 1 child and an additional Php 100 for extra guardian. Guardian must be of at least 18 years old.