Description
4 Sets Advanced metal brain teasers puzzles,bring you more challenge fun than primary puzzles.Very nice toy for party games,family parent-child games, office toys for relax and killing time.Good for creative thinking and improve both IQ & EQ,anyone can pick it up and play.Made of heavy duty metal durable for playing ;Portable,you can play it anywhere anytime.TIPS: Please DO NOT refer to the "Challenge Guide" at the very begining, the really most interesting things is exploring,but not the result