Enjoyable anytime, anywhere, this simple-looking puzzle is deceptively challenging. Just match the adjacent symbols. You'll experience concentration, perseverance, and the satisfaction of solving it. There's only one correct solution. This educational toy is compact and easy to carry! Each hexagonal piece is 4.5 centimeters across. It's enjoyed by everyone from young children to those in elderly care centers. We made this with care, imagining all the people enjoying it with smiles. Please give it a try. May your life be filled with smiles and good things.