While working with this material the children acquire practical experience with the geometry of area. The children learn that they can transform triangles into squares, trapezia, lozenges. So the children will learn the handling with geometry. Examples of using: the child sets different blue triangles and perceives the existing of another geometric form. Control for success is done by the existing of a new geometric figure The article is composed of 1 box, made of wood, with lid 12 triangles , blue material: wood Proportions: box, 29 x 18,5 x 3 cm, approx.
Orders are at the moment only possible on our german homepage. For more details look at constructive triangles, blue, set of 14 elements at our german homepage.