1. Smooth Playing: Amazing corner cutting and smooth turning, tension adjustable and difficult to pop..
2. Corner Cutting: Corner pieces and edge pieces and central pieces have the big round corners, which offer the excellent corner cutting ability and stability..
3. Crafted with high-quality Eco-friendly materials with bright and eye-catching stickerless surface, no worry of fading, ultra-durable..
4. Function: Develop the brain, train your problem solving skills and improve your memory..