Sensei Wu is LEGO set 2255-1.
It has a score of 74. This is average compared to all other sets.
It is ranked in the bottom 23.95% scored sets on Brick Insights.
Based on 3 scored reviews, 3 reviews total.
We know this set was released in 2011, and it is categorised in Ninjago.
My nephew wanted all the red box spinners. I'm glad there are a few still around. Sensei Wu may not be his favorite but a collection without him is not complete. Everything was new and worked as expected.
This score from amazon.com is an aggregate of 47 reviewers. The snippet above represent only one of them.