- AMI approved
- Unequalled beauty
- Precise control of error
- Exact isolation of one quality
- Perfect interrelations
-20%summer discount - use coupon SUMMER22 during checkout.
This 2-compartment box with lid contains plastic chips, 1 set of all the equally divisible problems for the numbers 1–81 and 1 set of chips with the answers to be used with the Division Working Charts.
|Minimum age||6 years|
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