Fast Smooth Turning Pyraminx: Well-engineered magic cube with good cornering and easy smooth twisting, this 3x3 triangle cube provides joyful cubing experience. It a must-have to your collection of cubes. Brain Teasers: An educational toy combining education & entertainment — solving this pyramid cube is a good way for brain training, improving kids' memory, concentration, patience logical thinking, spatial thinking, and hand flexibility. Sturdy & Durable 3D Puzzle Cube: Made of safe and quality ABS material, flexible and stable and environmental friendly, this is a speed cube that will last. Perfect Gift: Ideal birthday and holiday gifts (Christmas, Thanksgiving, Halloween, Children Day, etc.) for boys, girls, teenagers, adults and elders, for beginners and professionals. Warranty: Please be assured that our products undergo a rigorous quality inspection. Any questions please feel free to contact us.