Set of trinomial cube kids childrens learning algebra & maths educational toysMaterial: BeechwoodA cube composed of 27 wooden blocks which fit together in a trinomial pattern, forming a concrete representation of the algebraic formula a+b+c3=a3+b3+c3+3a2b+3ab2+3b2c+3bc2+3a2c+3ac2+6abc. Each face that a2 is red, b2 is blue, c2 is yellow and all other faces are blackThe factors of the equation are represented by the color coded cubes and prisms. Younger children can explore the trinomial cube as a sensorial activity of visual discrimination of color and form. This can serve as an indirect preparation for algebra and mathematicsExcellent homeschool or classroom educational materialSize Chart:13.2 x 13.2 x 10.8cm/ 5.19 x 5.19 x 4.25inchPackage Includes:Set of Trinomial Cube Toy