This 12V lithium battery is perfect for solar science fair projects involving panels. Also great for building an off-grid solar power system for camping, RVs, or boats.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Build over 100 exciting electronic projects with this easy to use kit!
This caffeine molecule mug makes an excellent gift!
Build a model green house and 9 other green energy-related devices with this great kit!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
Learn how solar cells transform light into electrical energy with this great kit!
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.