These D battery holders can house two D batteries, and you will find they are excellent for use in any hobby or science project. Each holder includes wire leads for easy hook-up. Recommended for electronics applications, science fair projects, and more! Set includes 10 holders.
This classic device is used to demonstrate the conservation of mechanical energy.
This magic bird defies gravity before your very eyes!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
Ever wonder how to survive in the wilderness? These cards can help!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Is it a demonstration of a scientific law or a work of art?
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.