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Category: Go Green Stuff


Hobby Solar Cells

Shop a selection of small to medium sized solar panels and cells and accessories such as lithium battery charge controllers. Power a small solar car, charge your electronics in the wilderness, and fill a back-up battery!
Photo of the: Solar Cell - 2V 130mA 54x54mm

Solar Cell - 2V 130mA 54x54mm

Item#: 16574

$2.99

Photo of the: Solar Cell - 5V 250mA 110x69mm

Solar Cell - 5V 250mA 110x69mm

Item#: 16656

$5.99


Photo of the: Solar Rover 4M Kit

Solar Rover 4M Kit

Item#: 14218

$18.95

Photo of the: Solar Car

Solar Car

Item#: 13844

$21.95


Photo of the: 12V 10W Waterproof Solar Panel

12V 10W Waterproof Solar Panel

Item#: 16329

$44.99

Photo of the: Solar Spinner

Solar Spinner

Item#: 15042

$9.95



Solar Gifts

Large selection of solar-powered toys and gadgets. From solar powered car models to solar panels and charge controllers.
Photo of the: Solar Car

Solar Car

Item#: 13844

$21.95

Photo of the: Solar Spinner

Solar Spinner

Item#: 15042

$9.95

Photo of the: Crookes Solar Radiometer

Crookes Solar Radiometer

Item#: 10094

$15.95


Green Solar Kits

Build a solar-powered grasshopper robot, construct a solar system mobile powered by sunlight, perform solar power experiments, cook food outdoors using concentrated sunlight, and even make shadow art using solar paper!
Photo of the: Solar Rover 4M Kit

Solar Rover 4M Kit

Item#: 14218

$18.95

Photo of the: Solar Car

Solar Car

Item#: 13844

$21.95


4M Green Science Kits

Build your own windmill, a clock powered solely by the energy generated by vegetables, create your own weather station, and test water for impurities with these kits from acclaimed and high-quality 4M science
Photo of the: Solar Rover 4M Kit

Solar Rover 4M Kit

Item#: 14218

$18.95

Photo of the: Smart Robot 4M Kit

Smart Robot 4M Kit

Item#: 12831

$15.95

Photo of the: Tin Can Robot 4M Kit

Tin Can Robot 4M Kit

Item#: 12259

$15.95

Photo of the: Windmill Generator 4M Kit

Windmill Generator 4M Kit

Item#: 12260

$13.95


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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!