Montessori - Trinomial Cube Formula insulated travel mugs that hold 10oz of liquid and come with a robust stainless steel, double wall construction making them a hard-wearing sidekick for the road. 
The Montessori trinomial cube is a wooden puzzle used in Montessori education to help students understand and visualize the concept of a trinomial, which is a polynomial with three terms. The cube is made up of 27 smaller cubes, each of which can be manipulated to create different trinomial expressions. The puzzle is used as a hands-on, visual tool to help students understand the structure of trinomials and the concepts of factors and coefficients.
.: Stainless steel body
.: One size: 10oz (0.3l) 
.: Clear acrylic snap-on lid