Walmart has 100-Count Learning Resources Mathlink Cubes on sale for was $8.49 -> $8.16 -> Now $8.49 when you opt for in-store pickup. Select in-store pickup where available to save on shipping, otherwise shipping is free on orders $35+. Thanks Fok
Note, in-store availability may vary.
No Longer Available:
Amazon also has 100-Count Learning Resources Mathlink Cubes on sale for $8.49 -> now $8.16 (via extra savings in checkout). Shipping is free with Prime or on orders $25+.