Trinomial Cube bead-stairs The globe spins freely on

The globe spins freely on its base once the pole is inserted into the opening at the bottom of the globe

This set consists of a wooden block with five differently sized threaded nuts affixed inside

Square dimensions: 8

9 green skittles

Dimensions: 45

Trinomial Cube bead-stairs The globe spins freely on27 painted wooden prisms in a wooden box with a lid. The box is hinged and opens out to display the cubes. The lid and sides of the box are printed with the trinomial square pattern. The purpose of this product is to provide the child with tangible experience of the way in which the cube can be divided and subdivided. It also lays the foundations for the later study of algebra. Features Cube dimensions: 9 cm x 9 cm x 9 cm. Box dimensions: 11. 3 cm x