| Counting and Subtraction to 5 | (LOG-CLM001) HK$115.00 |
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| Addition and Subtracion to 10 | (LOG-CLM004) HK$115.00 |
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| Counting and Addition to 10 | (LOG-CLM003) HK$115.00 |
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| Addition and Subtraction to 6 | (LOG-CLM002) HK$115.00 |
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| Division by 2 to 10 | (LOG-CLM010) HK$115.00 |
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| Multiplication by 2 to 10 | (LOG-CLM008) HK$115.00 |
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| Introducing Multilication | (LOG-CLM007) HK$115.00 |
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| Addition and Subtraction to 6 | (LOG-CLM006) HK$115.00 |
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| Teacher Abacus 17 rods | (TA02) HK$150.00 |
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| 23 rows Japanese Soroban | (SA23) HK$398.00 |
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| Addition & Subtraction up to 100 (2) | (LOG-CLM016) HK$115.00 |
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| Multiplication and Divisioin | (LOG-CLM018) HK$115.00 |
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