This fits your . Make sure this fits by entering your model number. Geometric form cards are used along with the geometric cabinet to help a child learn shape names, and realize that the shapes are the same even thought they are not identical. Three series of 35 cards that correspond to the figures contained within the Geometric Cabinet. Each shape is represented by a thin outline, thick outline, and filled-in card. Montessori toys for toddlers.Preschool learning toys. 5.5 x 5.5 x 2.6 inches ; 1.8 pounds