Zhengzhou Science and Technology Museum is a practical, family-friendly museum in the city centre. Exhibits are designed around demonstration and interaction, making it a useful stop for children or anyone who wants a break from temples, shopping streets, and transport hubs.
It is not Zhengzhou's deepest cultural attraction, but it does clear the bar as an accessible rainy-day option. Expect local school groups and a more domestic visitor mix than at the province's headline heritage sites.