- AMI approved
- Unequalled beauty
- Precise control of error
- Exact isolation of one quality
- Perfect interrelations
-20%summer discount - use coupon SUMMER22 during checkout.
These patterns serve as guides when extracting the square root on the Algebraic Peg Board. The material consists of 4 plastic cards with silk-screened square root patterns in the 3 hierarchical colors.
|Minimum age||8 years|
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