Purchase orders can be sent to Collaborative Classroom via email, fax, or U.S. mail:
U.S. mail: 1001 Marina Village Parkway, Suite 110, Alameda, CA 94501
To place an order using a credit card, please submit an online order or order via phone. We accept MasterCard, Visa, and American Express.
Web store: https://www.collaborativeclassroom.org/store
Phone: 1.800.666.7270, option 5. Hours of operation are Monday through Friday, 6 AM to 5 PM PST.