HLJgift IQ Test Toys Mind Game Brain Teaser Metal Wire Puzzles for Kids Adults Set of 10 All the coils are smooth and has NO SHARP EDGES for endless play without getting hurt. The links are made from heavy duty 4.5 stainless steel that doesnt easily bend or break even when thrown or stepped on. Players cant force them open so there is no chance of cheating NOVELTY GIFTS FOR KIDS AND ADULTS - Great gift for boys, girls, men and women ages 5 to 105. The perfect size makes it easy for small and large hands to play comfortably. Everyone can enjoy these unique novelty gifts, from children, teens, adults and even grandparents. CAn be played by a single player or a group. Give as gifts for birthdays, Halloween, Christmas or any other holidays, as well as party favors. Caution, not suitable for kids 5 years old and below. These manipulative links challenge players critical thinking and problem solving while helping improve their IQ and EQ. Test logic and creative minds with this cool yet simple brainteaser. These brain games are perfect for passing time, fidgeting, and avoiding gadgets and electronics. Theyre a healthier way to practice focus and concentration. Also works are a fidget toy. Can also be used for fun party games. Metal brain teaser condenses with traditional Chinese culture and they are quite interesting.Definitely a fun brain teaser that would be perfect for a little gift or as an add on gift. Challenging yet fun to play with.Good for creative thinking and improve both your IQ & EQ,anyone can pick it up and play. It looks really nice Solve these puzzles anywhere: in the car, at school, at home or at the office. Theyre mini and super light and can fit in your pockets. They are travel must have. Have endless fun with friends with these handheld mind twisters.