National Lottery offering disounts and free entry to museums

For just over a week in March, it’s National Lottery Open Week, where venues that have benefitted from Lottery funding offer deals to visitors.
Between 19th – 27th March 2022, anyone who presents a National Lottery ticket or scratchcard (digital or physical) will be able to access a range of special offers from free entry to discounted deals.The full list is here, but the summary of the London venues is below:
Free entry:
Charles Dickens Museum: 23rd-25th March 2022
Heath Robinson Mu