SPEED CUBE - Super fast spinning, easy-to-twist cube toy that moves effortlessly without getting stuck like the original design. With a spring-loaded design, adjustable elasticity, and fragmentation-free structure, the Rubik's cube puzzle is flexible, strong, and durable, providing both smooth movement and stability. Hearin Training and Fun for All AGES - The Rubik's cube helps improve logical thinking, concentration, manual dexterity, and problem-solving skills, while solving the Rubik's cube is a great family game or on-the-go game that keeps you entertained. A great way to distract from your phone. PERFECT GIFT - Keeps boys and girls away from their phones, the 4x4 Rubik's cube is a very useful educational toy, a perfect gift for birthdays, Christmas, and other holidays. Recyclable Material & Stickerless Cube - The Rubik's cube is made of non-toxic, recyclable, and environmentally friendly ABS plastic material. Colorful, not easy to scratch, more slippery, the stickerless cube avoids air bubbles or maintenance of the sticker cube. Scope of delivery: 1 Rubik's cube, fourth-order solid color