Sweet Mayhem's Disco Pod is LEGO set 853875-1.
It doesn't have a score so far.
Based on 1 scored review, 2 reviews total.
We know this set was released in 2019, and it is categorised in The Lego Movie 2: The Second Part.
Pods are a great way for kids to carry their favourite figures around with them and I am sure Sweet Mayhem will have a lot of fans when she's been seen in the film so this is bound to be a popular little set, once it's more readily available.