Cultivate and enhance each child's perception of happiness and surprise. Practicing of Binomial cube Wooden cube box contains cubes of different shapes and colors. The colors are red, black and blue.The Binomial Cube is one of those amazing Montessori materials! It introduces abstract maths concept to children asyoung as 4 without them even knowing it! The early sensorial experience with the cube inspires them again at age 8 or 9 when they use the cube for algebra. The material provides the all important bridge between concrete and abstract thinking. And not so amazingly (because it’s logical) the child develops a much deeper understanding of the maths.surface of the building blocks is smooth, no burrs do not hurt hands, and protect the baby's safety. Product Name: Binomial Cube Material：Beech wood Size：4.9 x 4.7 x 3.7 inches Weight: 2.2 pounds Age Level：3-6 Years old Features: Educational Certificate：CE, EN71 and ASTM F-963 standard Environmental protection level：E0 The Binomial Cube introduces children to Abstract mathematical concepts without them even knowing! It is a sensory activity that provides a challenge for a child's ability to find patterns and relationships. The cube is composed of 8 wooden blocks which fit together in a binomial pattern, representing the cube of two numbers, (a + b), or tens plus units. The purpose of this work is to challenge the child to find patterns and spatial relationships. It is best to think of these as self correcting three-dimensional puzzles that indirectly prepare the child for difficult mathematical concepts. Cycle 1- Introduced at around 4 years of age, the purpose of the material is not to teach maths, but instead, to provide a challenge for a child's ability to find patterns and relationships. Therefore, the material is presented as a sensorial activity. It is presented like a three dimensional puzzle.