This 3.7V 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. Multiples can be hooked together in series to get higher voltage or in parallel to acheive higher capacity.
This simple but amusing magnetic toy will keep you busy for hours!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
This SUPER Erector Construction set is one of the best you'll find anywhere!
Make the coolest 3D pin art on your desk with this amazing desk toy.
See the constellations visible in the Northern Hemisphere on this watch!
Ever wonder how to survive in the wilderness? These cards can help!
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.