The Colour Resemblance Sorting task is a popular exercise for recognizing and sorting gradations of colour.  The set comes in a divided storage box with a lid, and includes six natural-finish wooden inset block, six colour blocks and twenty-four coloured wooden skittles.  The colour blocks come in pink, green, orange, blue, grey and purple with four different shades on each.  The colours of the skittles correspond with the colours on the blocks and the student matches and arranges them accordingly.

• 6 colour blocks have four shades on each
• 6 inset blocks measure 16 cm x 5.5 cm x 1.5 cm (about 6" x 2" x 0.5") each
• 24 wooden skittles measure 5 cm tall (about 2") each
• Divided storage box with lid measures 28 cm x 28 cm x 7 cm (about 11" x 11" x 3")