Set of 4 blocks with cylinders varying in height and/or diameter in each block. Made of high-quality satinwood. To help develop the child's visual discrimination of size. Indirectly, to prepare the child for writing, through the handling of the cylinders by their knobs. Indirectly, to prepare the child for later work in Mathematics, through observation of the regular differences in the cylinders.
• Dimensions of each block: 17.5 x 3 x 2.5 inches
• Recommended Ages: 3 years and up