The Swift Block 355S by GAN Cubes is a magnetic 3x3 stickerless speed cube. This puzzle toy is a cube-shaped twist puzzle made of plastic, featuring a multi-coloured design. With its compact size of 3x3x3, this speed cube is perfect for those looking to challenge their brain and improve problem-solving skills. Its magnetic properties make it easy to twist and turn, providing hours of entertainment for puzzle enthusiasts of all ages.