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4 sets of 10 cylinders varying in height and/or diameter in each set. Each set is in a separate wooden box with the lid painted the same color as the cylinders: red, green, yellow and blue.
Develop child's visual perception of dimension. It also provide experiences in comparison, and grading - indirect preparation for mathematics.
• Dimensions of Each Wooden Box: 6.5 x 4.5 x 2.75 Inches