Smarter Games: This brain puzzle set comes with 4pcs models with 4-5 star difficulty levels. Instead of playing video game or smart phone, watching TV,spend the time on solving the puzzle problem,keep your mind active,practice hand-eye coordination don't get addicted to tittytainment.
Very nice for Advent Calendar Chistmas gift,party games,parent-child family games office toys for relax and killing time
Good for creative thinking and improve both your IQ & EQ , bring you working Inspiration
Metal brain teasers condenses with traditional Chinese culture and quite interesting
TIPS: please DO NOT refer to the "Challenge Guide" at the very begining, the really most interesting thing is exploring it,but not the result
