The main purpose of the Colour Box is to develop a child's visual sense of colour. Primary colours (Red, Yellow and Blue) are introduced in Colour Box 1, which is first presented to a child at 2.5 to 3 years of age. Colour Boxes 2 and 3 add more tablets to the mix, expanding a child's colour knowledge.

Change the border color On the Drawing Tools Format tab, click Shape Outline and, under Theme Colors, pick the color you want. Select the shape or text box. On the Drawing Tools Format tab, click Shape Outline, and then click More Outline Colors.

Color Box 3 is a large wooden box in the Sensorial Area, containing 63 color tablets: gradation sets of 7 tablets of each of the following colors, blue, red, yellow, green, orange, purple, grey (including white and black), brown, and pink. This material is presented after success with Color Box 2.