• [Great Value] - 4 kinds of YJ irregular cube, including YJ Fluctuation Angle Puzzle Cube, YJ Wheel Puzzle Cube, YJ Mirror Puzzle Cube and YJ Square King Puzzle Cube
• [A Challenging Task] - It is an irregular cube set. All of the cube are very different from the standard 3x3x3 cube in exterior, but the same rule. if you are good at the standard cube, you will solve it gradually. Enjoy the challenge and fun
• [Eco-friendly Material and Reasonable Structure] - ABS PVC Sticker. Improved Anti-pop technology and structure for extremely fast and smooth cornering. No need to worry about the sticker coming off. More durable design
• [Perfect christmas gift or birthday gift] - They're always awesome cool unique gift ideas for boys and girls, kids, teens, and adults. If you and your loved guys like Speed cubes, add it to the cart now, it won't let you down
• [Please Well Be Noted] - Please make sure purchase it from Boom Shop, otherwise we do not ensure that you receive the product is as the same as described