<p>This colorful and multi-functional <b>ROTATE & SLIDE PUZZLE</b> helps develop concentration,fundamental mathematics and creativity.</p> <p></p> <p>It is a rotating and sliding puzzle that uses an empty space created by a missing piece for strategic movements.As the user learns to use the empty space, the puzzle evolves from a logic mathematical game into an interactive design.It can solve suggested puzzle patterns and create your own colorful designs.</p> <p><br></p> <p></p> <p></p> <p>    <b> Usage Scenarios and </b><b>Usage Crowds</b></p> <p></p> <p>This product is suitable for many occasions, such as waiting for someone, waiting at the airport, traveling by car, taking children to eat in the restaurant, resting during work, resting during study, boring at home, attending parties,exercising brain,exercising fingers, and so on.</p> <p>It is small and convenient to carry, you can play it anytime and anywhere.</p> <p>Not only suitable for children,but also for teenagers, adults and the elderly.</p>