The trinomial cube is contained in a wooden box with lid, having two adjacent hinged sides that open out to display 27 wooden component cubes and prisms painted blue, red, yellow, and black.
The box is hinged and opens out to display the cubes. The lid is printed with the trinomial square pattern.
Dimensions: 5.5 x 5.5 x 4 inches
The trinomial cube is similar to the binomial cube, but has the following pieces instead: