CHALLENGING IQ & LOGIC PUZZLES: A handheld game that cultivate critical and creative thinking! Not only does this brain puzzles keep you entertained but is also a great way to help improve focus and concentration in kids and teens as well as improve their IQ and EQ. *INTELLECTUAL LOCK IQ TOYS: The back side of the pack has instructions on how to detangle the puzzle pieces. *Suitable for kids and adults, especially those who like to be challenged, but not for the children under six, contains small parts, do not put into the mouth *DURABLE AND KIDS SAFE: The brain teasers 3D Mind puzzles Set are well constructed and durable. The quality is great and the pieces are flawless. Buy them as a challenge, also works as a great toy! *GREAT CHOICE FOR GIFT AND ENTERTAINMENT: If you want something that would stimulate mind as well as keep hands busy unlike the spinners & cubes. These brain busters have worked wonderfully. Small to carry in pocket & complex to keep busy for while. SIMPLE BUT CHALLENGING - These tangled puzzles look simple, but this is a great challenge for children and adults, especially those who try to solve the puzzle for the first time
