Payments for orders taken on cstem.org are processed via Stripe and PayPal. We gladly accept all major credit cards.
All sales are final. No refunds or exchanges. Please contact us with any questions before purchasing.
Items will be shipped via USPS within seven business days of receiving order and completed payment. If available, you will be provided a tracking number after your order has been shipped.
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Copyright © 2022C-STEM Teacher and Student Support Services, Inc | All Rights Reserved.