【Retail Price】¥22,000! This is a Montessori educational toy that uses wooden cylinders of different heights and diameters to develop fine motor skills. - Type: Montessori Cylinder Sockets - Contents: 4 sets of wooden cylinders - Features: Cylinders of different heights and diameters - Material: Wood - Educational Purpose: Improves fine motor skills and recognition abilities Made of high-quality wood (Beechwood). Weight of one block: 1.3 kg Size of one block: 46cm wide x 6cm deep x 7cm high It has a solid weight, and the cylinders can be inserted and removed smoothly. The cylinders are removed and then inserted back into the holes in the block by holding the knobs. The heights and diameters vary in order from largest to smallest, and children learn to understand the differences in dimensions visually and through touch. *Please be careful of accidental ingestion by children, as there are also small cylinders. Please be sure to check the product condition in the images. Depending on the size of the box, the shipping method may be changed to Yu-Yu Mercari. Thank you for your understanding.