It left me with the same feeling when you look in ...

It left me with the same feeling when you look in an insect tank for ages and then realise that there is no insect in the tank.
Quite a lot of the interactive displays didn't seem to work or were really lame e.g the earthquake simulator shook mildly for about 3 seconds.

As a tourist, there are many far better museums to go to in other countries, but if you are in Manila I would still recommend going, but that says more about Manila being bad than the museum being good