Toddler activities London

[LuckyNumberFive]

Hi folks, looking for suggestions please for a whistle stop weekend in London. One toddler, will be just turning 2. Indoor only, so no parks etc.

Thank you!

Maritime Museum - Ahoy Gallery
Postal Museum and Transport Museum
Docklands Museum - Mudlarks Family gallery
Mome Cafe (Angel)
Dulwich ArtPavillion
Southbank Centre - Replay (ticketed, check dates and times)