Natural History Museum & Wonderlab Science Museum in 1 day?

[Thiskidcanbounce]

Is it feasible to do both in 1 day? With kids age 7&11?
We’re booked in at NHM in the morning & was going to book science museum for Wonderlab late afternoon (allowing a break in between to do the princess diana memorial playground in Kensington Gardens say 2-4pm) but not sure if it will leave us enough time to do it properly?

I’d aim for 90 minutes in Wonderlab. It can be busy and a queue for the more popular activities. I think the museum closes at 5.

I'd focus on the Wonderlab and the playground. Last ime we went we spent at least an hour and a half in the playground and then over three hours at the Wonderlab, even though we gave been four times before.
The museum itself is fine but not as interesting as the playground and Wonderlab! Allow an hour for the museum or don't even bother with it if you are pushed for time.