we went with two young children (2 and 4 years old). They loved the aquarium, the reptile display, the interactive science part and the human body display. some of the (stuffed) animals displays were too scary or too boring. some spots (tyrannosaurus, dragon, crocodile and snakes...) might be scary for some children. altogether worthwhile, but invest a few minutes in planing the visit so you won't waste all your time on dark gloomy stuffed rodents displays, where exciting hands on science is right next door.
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