Introducing Miniland Educational - Crazy Sudoku: 1 of 6 crazy magnetic games; these are challenges of Common Core Standards with a large dose of imagination and excitement. Choose 1 of 20 exercises in the color schemes and set up creatures once in every row to complete the Sudoku set. The unique Miniland format and design makes it ideal fun to take along wherever kids go, and for playing without limits. Includes Teaching Guide - Suitable for kids" age 3-6 years old - Sized at 3 x 4 1/8-inches. A great deal of thought and research goes into the design and production of Miniland Toys, but we never forget the importance of play! Our mission is creating mind-expanding toys for all levels of early childhood. Miniland Educational is dedicated to having a great abundance of skill-building products and games, supported by teams of educators, rigorous testing, and continuous vigilance to fingers-on-the-pulse knowledge of our customers. Learning guides and activity cards come with many products to assist successful engagement by children, parents, caregivers and teachers. Miniland places emphasis on teaching with toys and games as fun yet timeless educational tools.