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Simple equipment for children to practice addition, subtraction, multiplication and division. Roller math is to fix a simple mathematical operations. You can choose the operations of addition, subtraction, multiplication and division. Simple mathematical operations to fix.
7 cm x 5.5 cm x 5.5 cm
Roller for children already familiar with the numbers, and certainly for those who want to learn them.
Through play a child in a fun and easy way can learn simple math.
ok. 7cm x 5,5cm x 5,5cm