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Dads and Grads Gifts Sale 2021
Save up to 50% off select graduation gifts and fathers day 2021 gifts

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!


As an essential business supplying scientific and protection equipment to consumers, national labs, hospitals, military, and government, our warehouse is shipping all orders the same or next business day. All orders are shipped with employees at shipping stations at least 6ft apart, wearing protective face masks and gloves. We sanitize all shipping stations and common areas daily. We are going above and beyond the CDC and WHO recommendations during these challenging times.

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

At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.