An essential piece of equipment for demonstrating that the forward velocity of a ball ejected vertically is the same as the forward velocity of the vehicle from which it was ejected. Includes a vertical spring-loaded barrel and a 1" diameter steel ball. The ejection mechanism has two settings that are controlled by a release pin and cord. Instructions are provided.
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Build over 60 projects with this deluxe version of the Snap Rover kit!
Check out this amazing renewable energy science kit featuring the wonders of hydroelectric power!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Every kid needs one of these spheres!
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.