The Color Tablets (Box 3) Purpose: To assist the child in identifying color and to visually discriminate different shades of colors. Age: 2.5-4 years old ... Binomial Cube Purpose: To construct the cube according to shape and color Age 4 years old Material A box with two layers ... Trinomial Cube Purpose: To correctly construct the cube according to shape and color Age: 4.5 years old Material: A box w ... Combination of Ten Boards and Beads to form 10-90 Purpose: To confirm that a child can successfully draw the association between the quantity (concrete) and the numbers (abstract). Age: 4.5 ... Combination of Teen Boards and Bead to Form 11-19 Purpose: To confirm that a child can successfully draw the association between the quantity (concrete) and the numbers (abstract). Age: 4.5 ... Teen Frame Purpose: To confirm that a child can successfully draw the association between the quantity (concrete) and the numbers (abstract). Age: 4.5 ... Short Bead Stair Purpose: To assist the children in memorizing the colors of each Bead Bar and its associated quantity. This is a preliminary activity necessary for more advanced work ... Sandpaper Letters Purpose: To help a child identify the sounds represented in graphic form. To teach a child the correct writing direction of the letter shapes. ... Constructive Triangles - Small Hexagonal Box Purpose: To show the various plane figures included in a hexagon. To discriminate geometric forms To develop growth in concentration and independ ... Constructive Triangles - Large Hexagonal Box Purpose: To show the various plane figures included in a hexagon. To discriminate geometric forms. To develop growth in concentration and independence. ...