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We apologize, but the product you are looking for is no longer available, please check out our other products for great alternatives. Use the menu or search bar above to find what you are looking for, or explore some of our bestselling DIY STEM kits below.

Photo of the: Flashing LED Circuit DIY Electronics Kit

Flashing LED Circuit DIY Electronics Kit

An excellent introductory kit that allows you to explore circuitry, electronics, and soldering all while completing a fun experiment that yields a small flashing LED, programmed by the circuit you've just built!

Item#: 16350 Age: 14+
5 star rating (11 customer reviews)

Photo of the: Fan Micro Car DIY STEM Kit

Fan Micro Car DIY STEM Kit

A simple and highly affordable miniature motorized fan car kit that includes everything you need to build a small but speedy vehicle propelled by the wind force generated by a fan attached to a small motor.

Item#: 16476 Age: 14+
5 star rating (5 customer reviews)

Photo of the: Solar Micro Car Kit DIY STEM Kit

Solar Micro Car Kit DIY STEM Kit

A simple and highly affordable miniature solar car kit that includes everything you need to build a small but speedy vehicle powered solely by the strength of the sun!

Item#: 16090 Age: 14+
5 star rating (10 customer reviews)

Photo of the: 3-in-1 Alternative Energy Car DIY STEM Kit

3-in-1 Alternative Energy Car DIY STEM Kit

Build your own alternative energy car that runs on saltwater or the sun with this fantastic kit.

Item#: 17243 Age: 14+
5 star rating (1 customer reviews)

Photo of the: Hand-Crank Generator DIY STEM Kit

Hand-Crank Generator DIY STEM Kit

This easy-to-assemble DIY STEM kit will let you build your own hand-crank generator and power an ultra-bright COB LED light.

Item#: 17215 Age: 14+

Photo of the: Solar + Battery Car DIY STEM Kit

Solar + Battery Car DIY STEM Kit

Build a solar/battery-powered mini-car with this STEM kit for fun and skill development.

Item#: 17397 Age: 14+

Photo of the: Battery-Powered Balancing Robot DIY STEM Kit

Battery-Powered Balancing Robot DIY STEM Kit

Build your very own two-wheeled balancing robot that zips around on the floor.

Item#: 17242 Age: 14+

Photo of the: Simple DC Motor DIY STEM Kit

Simple DC Motor DIY STEM Kit

Create a fully functional DC motor that runs on two AA batteries with this kit.

Item#: 17412 Age: 14+


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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!