- Set contains 4 sets cylinder block with socket, cylinders varying in height and/or diameter in each block, Measurement of each socket:
- Classical Montessori Sensorial Material-Knobbed Cylinder Socket
- Top Grade Beech Wood Material,Water-based Paint
- Upgrade Version,the handle is bigger,best for kids' hands to take it.
- Through observation, logical reasoning, scientific analysis and other forms of thinking, help children learn to reason, draw conclusions;
- Materials: Solid beechwood
- Recommended for: 2 years old+
- Made in China