WHY CHOOSE COOLZON MAGIC RAINBOW BALL CUBE? SMALL VOLUME Light-weight, comfortable, hands-free, easy to carry. PREMIUM AND ECO-FRIENDLY MATERIALS ABS material, no-toxic and no-harm, molecular structure stability, impact resistance, no deterioration in performance due to long-term use. EASY TURNING & SMOOTH PLAY Improved Anti-pop Technology and Structure for Extremely Fast and Smooth Cornering, provides a firm but not too tight gripSpecifications: Cube Type: Spherical Material: ABS plastic Stikcer: No Weight: About 120g / 4.23oz Size: Diameter 6.5cm / 2.56″Package Includes 1 x Standard White Rainbow Magic Ball Cube 1 x Luminous Blue Rainbow Magic Ball CubeHow do you solve the Magic Rainbow Ball? Step 1: First, identify the hole without a color, which is eventually the hole that is without a ball. Step 2: Then, solve the opposite side of it. After solving that, try to figure out how to solve the five adjacent holes. Step 3: Lastly, solve the five other holes near the hole without a colorfits of Solving Puzzle Cube Improve child’s grip, hand-eye coordination, vision, and also can reduce the chance of focusing on games and cell phones. Exercising elderly people brain, improving memory and practicing hands-on dexterity skills. At the same time increase parent-child communication and interaction. Release people’s life and work pressure. Kill time on waiting of bus or in travelling Reminder: 1d putting any parts into mouth or it may cause suffocation. 2’t dismantle the cube by force.