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Receive FREE SHIPPING on orders over $99 placed on the Didax website and shipped within the contiguous US. No promo code is required to receive this offer.

The order total for free shipping is calculated after any discounts are applied. Orders containing Eureka Math Kits DO NOT qualify for free shipping.

Free shipping valid ONLY on orders placed on the Didax website shipped within the contiguous US. Our regular shipping policies applies to other orders.


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Rekenreks are ideal for counting, addition, subtraction and early place value. Check out our wide selection including student and demo 20 and 100-bead Rekenreks, class sets and resources full of ideas for using the Rekenrek.

Working with the Rekenrek provides dozens of engaging lessons. View our sample pages to learn more.

Save 20% on Rekenrek Resources
Use promo code "Rekenrek18" at checkout to receive discount.
Offer expires March 1, 2018. Cannot be combined with other offers.

100-Bead Rekenreks

Rekenrek Bead Strings to 20

Rekenrek Bead Strings to 100