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Knobbed cylinders suitable for children' development and it is also a good addition to our Montessori homeschool.
Cylinders vary in height and diameter with sockets
For Shape And Size Sorter,provide experiences in comparison, grading and seriation
package list:20pcs color cylinders & 4 sets of Knobbed cylinders
Famous montessori early development material
Montessori Knobless Cylinders With Socket Kids Early Development Sensorial Material Colorful Cylinder Ladder Blocks B06Y5H1N8V