Trinomial Cube (Boxless) life-cycle-two-compartment-tray-set-pdf-cards then 3 thirds

then 3 thirds

and a red disc in a wooden box

and 9 coins

3rd Box: 63 tablets representing colours in seven graded shades of red

the child gains enough motor control to trace the frame without the help of the tray

Trinomial Cube (Boxless) life-cycle-two-compartment-tray-set-pdf-cards then 3 thirds27 painted wooden prisms. This set does not come with a box and is intended as replacement parts. If you would like a specific piece only, please contact us. 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. Recommended ages: 39 years.