See this new work here which demonstrated some benefits:

https://repository.isls.org/handle/1/6719

See this new work by Valerie et al found some benefits:

https://repository.isls.org/handle/1/6719

Quoting from the paper:

Middle school students participated in four sessions of Rubik’s Cube training designed by the lead researcher and a partner middle school teacher. Results indicate that students improved in their ability to execute two and three- dimensional mental rotation tests.

Valerie, J., Aylward, G., & Varma, K. (2020). I Solved it! Using the Rubik’s Cube to Support Mental Rotation in a Middle School Science Classroom.

See this new work here which demonstrated some benefits:

https://45.55.127.102/handle/1/6719

See this new work here which demonstrated some benefits:

https://repository.isls.org/handle/1/6719