THE SPEED CUBE, FASTER GOAL: With their redesigned internal mechanism, speed cubes are the speed cubes of champions. If you want to train yourself to have ultra-fast cognition and finger dexterity, this is the puzzle for you. SET OF 4 MAGIC CUBES: This set includes 4 speed cubes - one 4x4 cube, one 3x3 cube, one 2x2 cube, and a pyramid puzzle. Keep the challenge exciting as you level up from one puzzle to the next. BUILD YOUR STEM SKILLS: Aside from giving you bragging rights, solving a speed cube can help improve your memory, concentration, reflexes, problem-solving skills, hand-eye coordination, and patience - and helps you impress all your friends. HIGH QUALITY: These speed cubes are designed to last, made from quality and durable plastic. Each twist is smooth and quick, with little resistance. Speedcubing competitions better watch out. THE PERFECT GIFT FOR BRIGHT MINDS: Anyone who loves a brain teaser is sure to love this speed cube set as a birthday or holiday gift.