Block queries allow you to see all of the flakes from a single block or a collection of blocks. Block queries are structured a little differently than basic queries.
You can select flakes from a single block:
block(from: 3, to: 3)
From a range of blocks, inclusive.
block(from: 1, to: 3)
From a range of blocks, starting from a lower limit, inclusive:
Write a Query!
Write a GraphQL query selecting all flakes from the blocks 4, 5, and 6.
Use the above queries for reference.