Amazon.comFlex your mind with Brainwright Flexi Puzzle, the bendy, stretchy brain-teaser that helps encourage spatial and three-dimensional thinking. Ideal for kids ages eight years and up, this deceptively simple puzzle consists of 12 colorful cubes, connected via an elastic string, and can be bent in every direction. Use the included challenge book to choose from 80 different challenges and four levels of difficulty as you move your way from beginner to master.12 colorful cubes can be bent in every direction.1. Choose a challenge2. Bend the puzzle3. Find the solutionSimple Premise is Easy to PlayBrainwright’s Flexi Puzzle is made up of 12 colorful plastic cubes that are connected via an elastic string. Each cube has a slot on each side, enabling them to move about the string. Simply pull, twist, and turn the cubes in every direction to rearrange their order.For added convenience, the Flexi Puzzle comes with a challenge book for guidance and a storage bag for travel.80 Challenges and Four Levels of DifficultyThe Flexi Puzzle challenge book illustrates 80 different challenges covering four levels of difficulty: beginner, advanced, expert, and master. To begin a game, choose a challenge and follow the illustrations to find the solution. If you get stuck, solutions can be found at the back of the challenge book.Encourages Three-Dimensional ThinkingThe brain-teasing nature of Flex Puzzle exercises logic skills in a fun way. In addition to helping develop basic problem-solving skills, this game inspires both spatial and three-dimensional thinking, offering hours of fun for curious minds of all ages. Deceptively simple to play at first, the puzzle’s numerous challenges and skill levels allow players to progress from one level to the next. What’s in the BoxFlexi Puzzle, storage bag, and challenge book.At a Glance:Simple brain-teaser kids and adults can enjoyConsists of 12 colorful cubes connected via an elastic stringOffer 80 challenges and four skill levels of playEncourages spatial and three-dimensional thinkingIncludes challenge book (with solutions) and storage bagAge/Weight Requirements:Eight years and upAssembly Requirements:Ready to playFrom the ManufacturerFlex your mind with Flexi Puzzle. The 12 cubes of the Flexi Puzzle can be bent in every direction. But which is the right way? With 80 challenges and 4 levels of difficulty, this brainteaser will have you twisting and turning , but that’s half the fun.