1. Innovative hollow core design. The racing hollow cube 3x3 features a unique hollow centre block design, eliminating traditional centre pieces for a fresh twist on the classic 3x3 cube. The innovative spring core axle provides stability and smooth rotation, making it suitable for beginners and advanced cubers. 2. Smooth stable performance. Equipped with a Yshaped pressure block and springscrew mechanism, this cube ensures exceptional stability and smooth turning. The hollow core design locks the edge and corner pieces in place, preventing pops and enhancing overall durability. 3. matte finish stickerless colors. The cube features a quality matte surface with a standard sixcolor setting (stickerless). The antistick oil storage grooves on the surfaces keep the cube clean and ensure smoothness without sticky residue. 4. Outstanding corner cutting antipop mechanism. Designed for speedcubers, the Racing Hollow Cube offers corner cutting and a reliable antipop mechanism. Precise engineering allows effortless turns and improved release efficiency.