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4 sets of 5 cylinders varying in height and/or diameter in each set in a wooden box.
The purpose of this material is to develop child's visual perception of dimension. It also provide experiences in comparison, grading and seriation - indirect preparation for mathematics.
Yellow cylinders: 1 x 1 cm - 3 x3 cm; red cylinders: 1 x 3 cm - 3 x 3 cm; green cylinders: 1 x 3 cm - 3 x 1 cm; blue cylinders: 2 x 1 cm - 2 x 3 cm (D x H).
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