Features:●The puzzles look simplebut contain lots of mysteries. They are easy to disassemble but difficult to assemble.●Train brains.It can make your brain sharper develop intelligence Challenge your mind and patience.●Have parties.Take this set of brain teaser to share with your friends families or colleagues.●These puzzles can get children away from phones or other electric device.Package Include: 3 threading puzzle game3 Metal PuzzleCautions:1.Children must be used it under the adults tutelage.2.Do not drop them on the floor or the desk.3.Do not play with them if there is any issue.4.Do not keep the toy in the mouth to prevent children devour small parts in the toy.