E&O Montessori Baric Tablets

The whole set consists of 3 wooden boxes, each containing one set of 7 wooden 3 x 2.4 inches or 8 x 6 cm tablets.
The three sets are graded by weight; the lightest color of the wood is the lightest in weight, the medium color is of medium weight, and the darkest color of the wood is the heaviest in weight.
Wooden tablets of various weights to help the child discriminate between weights.