Quality Montessori Materials for Toddler,
Primary and Elementary Since 1993.
E&O Montessori USA.
The whole set consists of 3 wooden boxes, each containing one set of 7 wooden 3 x 2.4 inches or 8 x 6cm tablets.
The three sets are graded by weight; the lightest color wood is the lightest in weight, the medium color is of medium weight, and the darkest color wood is the heaviest in weight.
Wooden tablets of various weight to help the child discriminate between weight.