Brain Teaser Puzzle 20Pcs Unlock Interlock Game IQ Test Wooden Toy 3D Unlock Interlock Puzzle Magic Ball Brain Teaser Toy Puzzles for Adults

16 Metal Wire Puzzles:All the coils are smooth and has NO SHARP EDGES for endless play without getting hurt. The links are made from heavy duty stainless steel that doesn’t easily bend or break even when thrown or stepped on. Players can’t force them open so there is no chance of cheating Wooden Brain Teaser Puzzle 4 Sets: Wood Brain Twister Puzzle, manipulative puzzles for adults. Every piece is completely unique and handmade from premium grade, fully wood Challenging IQ & Logic Puzzles: A handheld game that cultivate critical and creative thinking! Not only does this brain puzzles keep you entertained but it's a great way to help improving focus and concentration in kids and teens as well as improve their IQ and EQ Hand-eye Coordination: The puzzles not only can keep brain activities and Anti-Alzheimer's but also can train children imagination, eye-hand coordination and shape recognition. Eye coordination is also conducive to general physical coordination. Recommended ages: 13 & UP years old These intelligence toys can not only exercise brain, also can easily be used as a decoration in a den, family room, living room, working table, office or waiting room. Great gift for birthdays, Halloween, Christmas, as well as party favors