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    STEM / PLTW Cubes

    STEM Classes &
    Project Lead the Way

         We sell millions of cubes to schools and we have lengthly experience with POs and school orders.  We will figure it out no matter how you get it to us: snail mail, fax, e-mail, smoke signal or Pony Express.  We are happy to supply a W-9 by email if asked.  Just tell us what you want.  You can buy:

    1. Online with a computer using either a CC or PO number.
    2. Or by email (blocksinfo [at]
    3. Or by fax (877-249-3624).
    4. You can find shipping amounts by spoofing an order and using the "Estimate Shipping" link.
    5. There is no sales tax.
    6. Shipping is typically 3 days, but in July and August is slowed some by the sudden volume of orders.  If you have a "gotta have it" date, you can tell us in the comments section of the shopping cart or by writing it on your PO.