Customer Service
Please fill out the form to the left for the fastest customer service. One of our representatives will reply or contact you the same business day.
Prefer to talk? Call 1-888-438-9867 (Mon–Fri, 9am–3pm PST).
We're a physicist-founded company with real scientists on staff, and we back every order with a 100% satisfaction guarantee.
Placing an Order
Please use our website to place your order. Our website is secure. You can see real-time stock for each product and all shipping options, from standard ground to next-day air. To offer the best possible prices we do not provide phone orders. If you prefer to place your order over the phone, you can call us at 1-888-438-9867, Monday to Friday, 9:00 am to 3:00 pm PST. Please note that our free shipping and coupon discount offers are only valid for online orders and not for phone orders.
School Purchase Orders
We accept purchase orders from schools and other educational institutions. The purchase order minimum is $100. Click here for more PO info
Shipping Info
All orders are shipped from our warehouse in Lakewood, California. Below is the FedEx Ground delivery time map for your reference. We also ship internationally to over 45 countries!