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Customer Service

Please, use the form below for all customer service issues (pre-order questions, reporting a missing order, damaged order or to return an order). One of our customer service representatives will contact you the same or next business day. Thank you!

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.

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 100 countries!

FedEx Ground Delivery Map

Other Info

Click here for xUmp.com FAQ - frequently asked questions about our pricing, shipping and returns policies.


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At xUmp.com, we are passionate about science. We believe in hands-on learning and making science fun. - Anton Skorucak, Physicist and Founder

Welcome to xUmp.com, your one-stop shop for all your scientific and STEM needs! Our extensive selection of science supplies has been carefully curated by real scientists and educators, ensuring that you'll find only the best and most educational products on our site. Whether you're a teacher looking for classroom supplies, a student gearing up for a science fair, or a science enthusiast looking for the perfect gift, we've got you covered. From chemistry glassware and lab equipment to robots and science kits, we have everything you need to explore the exciting world of science. Browse our store today and discover the wonder of science!