Pack of 2 Brainteasers include a standard 3x3x3 and a standard 2x2x2 Cube in Classic Science Design Boxes. <p> USE THE CUBE LIKE A PRO: Optimized Anti-Pop Technology for the 3x3x3 Speed Cube and A Tension Adjustable 2x2x2 Speed Cube. Super-Fast; Easy Turning; Vivid Colors, Superior Corner Cutting at 43 degrees; High Stability <p> THE ULTIMATE GIFT IDEA: These Brainteasers Make Great Fun and Easy for Everyone (Boys and Girls; Kids; Teens; Adults; Beginners and Enthusiasts) to Become Champion Speed Cubers. <p> ENGINEERED CUBE: Environmentally Friendly Material; Using the Original ABS Material; No Stickers; Non-Poisonous Material