Difficulty level 4

These are tricky level 4 games, so not too easy, but not too difficult either.
In the series of puzzles from "Hanayama", the riddles are divided into different levels of difficulty from 1 to 6. Difficulty level 1 is the easiest to solve and those marked 6 are the most difficult. With some of this difficulty it seems almost impossibl
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1 to 4 (from a total of 4)
These are tricky level 4 games, so not too easy, but not too difficult either.
In the series of puzzles from "Hanayama", the riddles are divided into different levels of difficulty from 1 to 6. Difficulty level 1 is the easiest to solve and those marked 6 are the most difficult. With some of this difficulty it seems almost impossible.